{"status":"success","metadata":{"ticker":"SBAC","year":2025,"quarter":3,"full_year_mode":false,"total_facts":555,"prior_comparison_available":true,"source":{"filing_type":"10-Q","period_end":"September 30, 2025","url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010","value_scale":"thousands"},"match_rate":{"quarterly":0.5275735294117647,"ytd":0.9111111111111111,"instants":1.0,"fallback":0.0},"final_match_rate":1.0,"match_diagnostics":{"quarterly":{"same_filing_q":{"current_count":544,"matched_count":287,"match_rate":0.5275735294117647,"prior_count":338,"match_keys":["tag","date_type","axis_key"],"raw_current_row_count":600,"output_row_count":327,"current_duplicate_group_count":53,"prior_duplicate_group_count":34,"shared_key_count":287},"prior_year_ytd":{"current_count":225,"matched_count":205,"match_rate":0.9111111111111111,"prior_count":238,"match_keys":["tag","date_type","axis_key"],"raw_current_row_count":225,"output_row_count":205},"prior_year_instant":{"current_count":195,"matched_count":195,"match_rate":1.0,"prior_count":191,"match_keys":["tag","end","date_type","presentation_role","axis_key"],"raw_current_row_count":195,"current_duplicate_group_count":25,"prior_duplicate_group_count":27,"current_only_count":70,"output_row_count":195},"fallback":{"current_count":11,"matched_count":0,"match_rate":0.0,"prior_count":13,"match_keys":["tag","end","date_type","axis_key"],"raw_current_row_count":11,"missing_tag_count":28,"output_row_count":0},"final":{"current_count":544,"matched_count":544,"match_rate":1.0,"raw_current_row_count":600,"output_row_count":752,"current_only_added_count":25,"fallback_added_count":0,"overlap_prior_value_count":0}}}},"facts":[{"tag":"sbac:AccruedHoldbacks","date_type":"Q","period_type":"instant","presentation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","presentation_hierarchy":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:PayablesAndAccrualsAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:AccruedLiabilitiesCurrent","weight":1.0,"order":3.0}],"calculation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","calculation_parent":"us-gaap:AccruedLiabilitiesCurrent","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Acquisition related holdbacks","current_period_value":9803,"prior_period_value":11682.0,"visual_current_value":9803,"visual_prior_value":11682.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-39098b23-2475-4f6a-b21d-acdcd11ee69c","text_snippet":"9,803","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-7c661b91-8fc5-45c4-a7bb-eadbdee4e4c3","text_snippet":"11,682","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":9803,"prior_value":11682.0},{"tag":"us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","presentation_hierarchy":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:PayablesAndAccrualsAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:AccruedLiabilitiesCurrent","weight":1.0,"order":5.0}],"calculation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","calculation_parent":"us-gaap:AccruedLiabilitiesCurrent","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Accrual for Taxes Other than Income Taxes, Current","current_period_value":9429,"prior_period_value":9607.0,"visual_current_value":9429,"visual_prior_value":9607.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-6c37c68b-5ff1-47c7-90a5-585434f3fab3","text_snippet":"9,429","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-e254fbf9-0f1d-4856-9642-eac025604b9b","text_snippet":"9,607","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":9429,"prior_value":9607.0},{"tag":"us-gaap:AccruedEmployeeBenefitsCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","presentation_hierarchy":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:PayablesAndAccrualsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:AccruedLiabilitiesCurrent","weight":1.0,"order":1.0}],"calculation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","calculation_parent":"us-gaap:AccruedLiabilitiesCurrent","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Accrued Employee Benefits, Current","current_period_value":27576,"prior_period_value":23989.0,"visual_current_value":27576,"visual_prior_value":23989.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-1303d897-54a9-4ed2-8832-40445ec718c2","text_snippet":"27,576","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-a1dbc99f-df2d-4712-a19b-a1fbf74e7420","text_snippet":"23,989","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":27576,"prior_value":23989.0},{"tag":"us-gaap:OtherAccruedLiabilitiesCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","presentation_hierarchy":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:PayablesAndAccrualsAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:AccruedLiabilitiesCurrent","weight":1.0,"order":4.0}],"calculation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","calculation_parent":"us-gaap:AccruedLiabilitiesCurrent","calculation_weight":1.0,"calculation_order":4.0,"section_label":null}],"concept_label":"Other Accrued Liabilities, Current","current_period_value":39455,"prior_period_value":31619.0,"visual_current_value":39455,"visual_prior_value":31619.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-1c04cec4-828a-4339-a99a-67c4ca4e73e8","text_snippet":"39,455","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-9cc76a57-6fc5-4694-9846-f9406a9c4390","text_snippet":"31,619","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":39455,"prior_value":31619.0},{"tag":"sbac:CapitalExpenditureAccrualCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails|disclosurepropertyandequipmentnetnarrativedetails","presentation_hierarchy":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:PayablesAndAccrualsAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:AccruedLiabilitiesCurrent","weight":1.0,"order":2.0}],"calculation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","calculation_parent":"us-gaap:AccruedLiabilitiesCurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"disclosurepropertyandequipmentnetnarrativedetails","parent":"us-gaap:PropertyPlantAndEquipmentAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Unpaid capital expenditures","current_period_value":11.3,"prior_period_value":12.4,"visual_current_value":11.3,"visual_prior_value":12.4,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-fcbeea54-66bf-4298-a2b5-a3559ae86418","text_snippet":"11.3","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-dc5450ef-9efe-406e-8ae2-991f24ff8d03","text_snippet":"12.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":11.3,"prior_value":12.4},{"tag":"sbac:CapitalExpenditureAccrualCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails|disclosurepropertyandequipmentnetnarrativedetails","presentation_hierarchy":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:PayablesAndAccrualsAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:AccruedLiabilitiesCurrent","weight":1.0,"order":2.0}],"calculation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","calculation_parent":"us-gaap:AccruedLiabilitiesCurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"disclosurepropertyandequipmentnetnarrativedetails","parent":"us-gaap:PropertyPlantAndEquipmentAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Unpaid capital expenditures","current_period_value":11273,"prior_period_value":12415.0,"visual_current_value":11273,"visual_prior_value":12415.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-9319b75c-abb4-4c0c-9b9c-530aabb99a49","text_snippet":"11,273","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-437e72fa-3da3-49b0-95f1-f1e04873742e","text_snippet":"12,415","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":11273,"prior_value":12415.0},{"tag":"us-gaap:AccruedLiabilitiesCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,2.0,1],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrent","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesCurrent","calculation_weight":1.0,"calculation_order":3.0,"section_label":"Current Liabilities"},{"role":"disclosureaccruedexpensesscheduleofaccruedexpensesdetails","parent":"us-gaap:PayablesAndAccrualsAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Accrued Liabilities, Current","current_period_value":97536,"prior_period_value":89312.0,"visual_current_value":97536,"visual_prior_value":89312.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-f2d5dc73-8bbf-4292-9038-825d59c0c145","text_snippet":"97,536","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-3a644d10-e4a8-4963-9e5f-d18e03e02988","text_snippet":"89,312","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":97536,"prior_value":89312.0},{"tag":"us-gaap:BusinessCombinationDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposals","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposals","parent":"us-gaap:BusinessCombinationsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Business Combination Disclosure [Text Block]","current_period_value":6,"prior_period_value":6.0,"visual_current_value":6,"visual_prior_value":6.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-94695929-7caf-4ab3-aae2-b92e1f86e4d0","text_snippet":"6.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-ad4f91e7-ee11-4de8-9563-5fc43330df57","text_snippet":"6.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":6,"prior_value":6.0},{"tag":"sbac:DisposalGroupIncludingDiscontinuedOperationCurrentLeaseLiabilities","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":16.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,16.0,15],"section_concept":null,"section_label":null}],"concept_label":"Current lease liabilities","current_period_value":3.1,"prior_period_value":null,"visual_current_value":3.1,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-19f0d595-a246-4995-8279-5839231bb673","text_snippet":"3.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":3.1,"prior_value":null},{"tag":"sbac:DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Operating lease right of use assets","current_period_value":28.9,"prior_period_value":null,"visual_current_value":28.9,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b90c3331-74f0-4c0e-a0de-5db8ea80065d","text_snippet":"28.9","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":28.9,"prior_value":null},{"tag":"sbac:DisposalGroupIncludingDiscontinuedOperationOtherLongTermLiabilities","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":14.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,14.0,13],"section_concept":null,"section_label":null}],"concept_label":"Other long term liabilities","current_period_value":12.1,"prior_period_value":null,"visual_current_value":12.1,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-73a1c26b-d0fe-4d5a-a20f-edf6c08c66de","text_snippet":"12.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":12.1,"prior_value":null},{"tag":"sbac:NumberOfCommunicationSitesAcquired","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Number of communication sites acquired","current_period_value":5090,"prior_period_value":null,"visual_current_value":5090,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:MillicomMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:MillicomMember","member_label":"Millicom [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_MillicomMember","char_anchor":"ct-nonFraction-da00eb1b-ab5f-40f1-be67-4ec6605b6f61","text_snippet":"5,090","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":null,"current_value":5090,"prior_value":null},{"tag":"sbac:NumberOfTowersAcquired","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Number of towers acquired","current_period_value":5120,"prior_period_value":179.0,"visual_current_value":5120,"visual_prior_value":179.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-321de706-7fb3-4309-992d-d07a855cd245","text_snippet":"5,120","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-104174eb-8529-4ff4-9978-3668ee575084","text_snippet":"179","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":5120,"prior_value":179.0},{"tag":"sbac:PerformanceTargetsMaximumPotentialObligation","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Performance targets, maximum potential obligation","current_period_value":47.5,"prior_period_value":null,"visual_current_value":47.5,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-d4d1b94e-b4d2-4345-adbe-ec849dddcb32","text_snippet":"47.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":47.5,"prior_value":null},{"tag":"us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Disposal Group, Including Discontinued Operation, Assets","current_period_value":95.8,"prior_period_value":null,"visual_current_value":95.8,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-49d522d8-2f8c-4111-a4bb-1ce1b70d368b","text_snippet":"95.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":95.8,"prior_value":null},{"tag":"us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Disposal Group, Including Discontinued Operation, Intangible Assets","current_period_value":21.5,"prior_period_value":null,"visual_current_value":21.5,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-d00d95ed-c543-4a7d-8ce3-88b3ef65ddca","text_snippet":"21.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":21.5,"prior_value":null},{"tag":"us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherLiabilities","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":15.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,15.0,14],"section_concept":null,"section_label":null}],"concept_label":"Disposal Group, Including Discontinued Operation, Other Liabilities","current_period_value":26,"prior_period_value":null,"visual_current_value":26,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-298f22dc-8941-4a80-b15f-9cc139f552da","text_snippet":"26.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":26,"prior_value":null},{"tag":"us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Disposal Group, Including Discontinued Operation, Property, Plant and Equipment","current_period_value":43.2,"prior_period_value":null,"visual_current_value":43.2,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-7264d9e6-018d-4caa-97a8-5e918f4a6553","text_snippet":"43.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":43.2,"prior_value":null},{"tag":"us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":13.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,13.0,12],"section_concept":null,"section_label":null}],"concept_label":"Disposal Group, Including Discontinued Operation, Liabilities","current_period_value":42.5,"prior_period_value":null,"visual_current_value":42.5,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b14023b9-7972-4631-8c68-2cf49125a0c2","text_snippet":"42.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":42.5,"prior_value":null},{"tag":"us-gaap:GainLossOnDispositionOfAssets1","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":7.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,7.0,6],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":-1.0,"order":16.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":-1.0,"calculation_order":16.0,"section_label":"Operating Activities"},{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Gain (Loss) on Disposition of Assets","current_period_value":-18265,"prior_period_value":-803.0,"visual_current_value":18265,"visual_prior_value":803.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-da2a1f08-3f61-4c0d-a1cc-6acbb080ab18","text_snippet":"18,265","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-c721ea54-f9be-4145-8cf9-a498d89cace8","text_snippet":"803","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":18265,"prior_value":803.0},{"tag":"us-gaap:ProceedsFromDivestitureOfBusinesses","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsnarrativedetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,6.0,5],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Investing Activities"},{"role":"disclosureacquisitionsanddisposalsnarrativedetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Proceeds from Divestiture of Businesses","current_period_value":40564,"prior_period_value":null,"visual_current_value":40564,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-6fac935b-5b29-49b3-bb24-79aacbd4ea7e","text_snippet":"40,564","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":40564,"prior_value":null},{"tag":"sbac:GroundLeaseExtensions","date_type":"Q","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Ground lease extensions","current_period_value":1.8,"prior_period_value":7.7,"visual_current_value":1.8,"visual_prior_value":7.7,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-3b53b3a0-60ac-4057-b750-395ecdbd5951","text_snippet":"1.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-962e0907-fe70-4497-89ff-ff540d093712","text_snippet":"7.7","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":1.8,"prior_value":7.7},{"tag":"sbac:GroundLeaseExtensions","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Ground lease extensions","current_period_value":9.7,"prior_period_value":17.0,"visual_current_value":9.7,"visual_prior_value":17.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-d871125e-496f-4d22-9ec0-3f34e586a6b1","text_snippet":"9.7","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-d2973c7b-abeb-4057-9c4f-2d77f63cea09","text_snippet":"17.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"millions","current_value":9.7,"prior_value":17.0},{"tag":"sbac:GroundLeaseLandPurchases","date_type":"Q","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","weight":1.0,"order":2.0}],"calculation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","calculation_parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Land buyouts and other assets","current_period_value":11151,"prior_period_value":10728.0,"visual_current_value":11151,"visual_prior_value":10728.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-948a8db2-0d60-409c-9b88-149da929bbd4","text_snippet":"11,151","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-4602eae5-413b-42d7-ac39-86877bbaa50e","text_snippet":"10,728","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":11151,"prior_value":10728.0},{"tag":"sbac:GroundLeaseLandPurchases","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","weight":1.0,"order":2.0}],"calculation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","calculation_parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Land buyouts and other assets","current_period_value":29664,"prior_period_value":33556.0,"visual_current_value":29664,"visual_prior_value":33556.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-840eb0cc-b149-428f-819e-ea065db35ed3","text_snippet":"29,664","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-46c94e5a-ccd1-4726-bdb3-589b781a636a","text_snippet":"33,556","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":29664,"prior_value":33556.0},{"tag":"sbac:TowersAndRelatedIntangibleAssetsAcquisitions","date_type":"Q","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","weight":1.0,"order":1.0}],"calculation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","calculation_parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Acquisitions of towers and related assets","current_period_value":654,"prior_period_value":196659.0,"visual_current_value":654,"visual_prior_value":196659.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-41fe8dde-5280-4ba3-9471-3ad792201aba","text_snippet":"654","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-d6e0e34f-53ec-4de1-87b3-c717e0de98f0","text_snippet":"196,659","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":654,"prior_value":196659.0},{"tag":"sbac:TowersAndRelatedIntangibleAssetsAcquisitions","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","weight":1.0,"order":1.0}],"calculation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","calculation_parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Acquisitions of towers and related assets","current_period_value":634751,"prior_period_value":234853.0,"visual_current_value":634751,"visual_prior_value":234853.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-4fcb9b79-3374-4a57-aeba-e0af8463bf95","text_snippet":"634,751","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-5f3e0730-621a-4ae3-904e-7c9796fa0cf8","text_snippet":"234,853","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":634751,"prior_value":234853.0},{"tag":"sbac:TowersAndRelatedIntangibleAssetsAcquisitions","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","weight":1.0,"order":1.0}],"calculation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","calculation_parent":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Acquisitions of towers and related assets","current_period_value":139.6,"prior_period_value":null,"visual_current_value":139.6,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:ForthQuarter2025AcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:ForthQuarter2025AcquisitionsMember","member_label":"Forth Quarter 2025 Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_ForthQuarter2025AcquisitionsMember","char_anchor":"ct-nonFraction-1e03fb28-79bc-4842-b9b6-7432f1e30b60","text_snippet":"139.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":139.6,"prior_value":null},{"tag":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","date_type":"Q","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":1.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":-1.0,"calculation_order":2.0,"section_label":"Investing Activities"},{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Businesses, Net of Cash Acquired","current_period_value":11805,"prior_period_value":207387.0,"visual_current_value":-11805,"visual_prior_value":-207387.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-694fdbfa-197e-472a-8f3f-65cb5e44c2a7","text_snippet":"11,805","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-d6457995-e6fd-467e-9aae-7b24d240efc6","text_snippet":"207,387","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-11805,"prior_value":-207387.0},{"tag":"us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired","date_type":"YTD","period_type":"duration","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":1.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":-1.0,"calculation_order":2.0,"section_label":"Investing Activities"},{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitioncapitalexpendituresdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Businesses, Net of Cash Acquired","current_period_value":664415,"prior_period_value":268409.0,"visual_current_value":-664415,"visual_prior_value":-268409.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-754fc2e9-365f-4913-85d4-67731c418593","text_snippet":"664,415","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-8b3406b2-f8e1-4e7b-9291-e5fa17a182d0","text_snippet":"268,409","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-664415,"prior_value":-268409.0},{"tag":"sbac:BusinessCombinationOtherLiabilitiesAssetsAssumedNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":6.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Business Combination Other (liabilities) assets assumed, net","current_period_value":258812,"prior_period_value":6759.0,"visual_current_value":-258812,"visual_prior_value":-6759.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-1f5d843a-462a-445a-b7e3-3ccbf25c460b","text_snippet":"258,812","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-7e5fe3c5-3e4f-4ffb-a818-23f85b301718","text_snippet":"6,759","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-258812,"prior_value":-6759.0},{"tag":"sbac:BusinessCombinationOtherLiabilitiesAssetsAssumedNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":6.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Business Combination Other (liabilities) assets assumed, net","current_period_value":258812,"prior_period_value":null,"visual_current_value":-258812,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-1f5d843a-462a-445a-b7e3-3ccbf25c460b","text_snippet":"258,812","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-258812,"prior_value":null},{"tag":"sbac:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedHoldbacks","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":4.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Holdbacks","current_period_value":129,"prior_period_value":4570.0,"visual_current_value":-129,"visual_prior_value":-4570.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-83013dfd-56e3-4793-b3b6-10938911cc9c","text_snippet":"129","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-43aa8cd9-ac0f-4c68-a210-a37e0a7eb9d0","text_snippet":"4,570","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-129,"prior_value":-4570.0},{"tag":"sbac:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedHoldbacks","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":4.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Holdbacks","current_period_value":129,"prior_period_value":null,"visual_current_value":-129,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-83013dfd-56e3-4793-b3b6-10938911cc9c","text_snippet":"129","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-129,"prior_value":null},{"tag":"sbac:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermLeaseLiabilities","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":5.0,"preferred_label_role":"negatedTerseLabel","global_sort_position":[0,1.0,0,2.0,1,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Long-Term Lease Liabilities","current_period_value":57623,"prior_period_value":18106.0,"visual_current_value":-57623,"visual_prior_value":-18106.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-819fba90-af2c-4eb5-9814-5356705d57b5","text_snippet":"57,623","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-c76ab58e-2add-4799-ba59-9eb8c254a1bd","text_snippet":"18,106","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-57623,"prior_value":-18106.0},{"tag":"sbac:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermLeaseLiabilities","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":5.0,"preferred_label_role":"negatedTerseLabel","global_sort_position":[0,1.0,0,2.0,1,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Long-Term Lease Liabilities","current_period_value":57623,"prior_period_value":null,"visual_current_value":-57623,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-819fba90-af2c-4eb5-9814-5356705d57b5","text_snippet":"57,623","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-57623,"prior_value":null},{"tag":"sbac:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Operating leases right-of-use assets, net","current_period_value":82910,"prior_period_value":25251.0,"visual_current_value":82910,"visual_prior_value":25251.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-eb19ee70-9e87-40e7-a9fa-428b46a2ad46","text_snippet":"82,910","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-54c338f4-db68-4818-ba0d-6666287c7da4","text_snippet":"25,251","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":82910,"prior_value":25251.0},{"tag":"sbac:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Operating leases right-of-use assets, net","current_period_value":82910,"prior_period_value":null,"visual_current_value":82910,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-eb19ee70-9e87-40e7-a9fa-428b46a2ad46","text_snippet":"82,910","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":82910,"prior_value":null},{"tag":"us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill","current_period_value":391685,"prior_period_value":211131.0,"visual_current_value":391685,"visual_prior_value":211131.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-20a5249a-cf5a-49eb-ac61-d62e6e51816c","text_snippet":"391,685","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-ec061647-3191-4939-8bde-74b3cb21f653","text_snippet":"211,131","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":391685,"prior_value":211131.0},{"tag":"us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill","current_period_value":391685,"prior_period_value":null,"visual_current_value":391685,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-20a5249a-cf5a-49eb-ac61-d62e6e51816c","text_snippet":"391,685","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":391685,"prior_value":null},{"tag":"us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net","current_period_value":634751,"prior_period_value":234853.0,"visual_current_value":634751,"visual_prior_value":234853.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-f4df5b50-b704-482a-8fcf-b8aae345e731","text_snippet":"634,751","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-69ff3f0a-ff40-438d-828e-c8fad688f121","text_snippet":"234,853","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":634751,"prior_value":234853.0},{"tag":"us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net","current_period_value":634751,"prior_period_value":null,"visual_current_value":634751,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-f4df5b50-b704-482a-8fcf-b8aae345e731","text_snippet":"634,751","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":634751,"prior_value":null},{"tag":"us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment","current_period_value":476720,"prior_period_value":27906.0,"visual_current_value":476720,"visual_prior_value":27906.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-573b4b05-5ad1-451c-937d-215572303866","text_snippet":"476,720","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-d055995a-c0c6-45de-aa21-fd6252e8cf17","text_snippet":"27,906","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":476720,"prior_value":27906.0},{"tag":"us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment","date_type":"Q","period_type":"instant","presentation_role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","presentation_hierarchy":[{"role":"disclosureacquisitionsanddisposalsscheduleofacquisitionoftowersandrelatedassetandliabilitiesbyassetsclassdetails","parent":"us-gaap:BusinessAcquisitionLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment","current_period_value":476720,"prior_period_value":null,"visual_current_value":476720,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BusinessAcquisitionAxis=sbac:OtherAcquisitionsMember","dimensions":[{"axis":"us-gaap:BusinessAcquisitionAxis","axis_label":"Business Acquisition","member":"sbac:OtherAcquisitionsMember","member_label":"Other Acquisitions [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BusinessAcquisitionAxis_sbac_OtherAcquisitionsMember","char_anchor":"ct-nonFraction-573b4b05-5ad1-451c-937d-215572303866","text_snippet":"476,720","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":476720,"prior_value":null},{"tag":"us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosurebasisofpresentation","presentation_hierarchy":[{"role":"disclosurebasisofpresentation","parent":"us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Business Description and Basis of Presentation [Text Block]","current_period_value":1,"prior_period_value":1.0,"visual_current_value":1,"visual_prior_value":1.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-24d08fb3-d914-4802-83ad-34bbb79ff171","text_snippet":"1.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-9666ea17-1f96-4ad2-9de3-404ed98fd8eb","text_snippet":"1.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":1,"prior_value":1.0},{"tag":"us-gaap:ForeignCurrencyTransactionGainLossRealizedAfterTax","date_type":"Q","period_type":"duration","presentation_role":"disclosurebasisofpresentationnarrativedetails","presentation_hierarchy":[{"role":"disclosurebasisofpresentationnarrativedetails","parent":"us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Realized Gain (Loss), Foreign Currency Transaction, after Tax","current_period_value":25.5,"prior_period_value":16.2,"visual_current_value":25.5,"visual_prior_value":16.2,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-4feb7760-8b26-4072-a758-93fc978102e8","text_snippet":"25.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-ffaef1d5-0a2f-4563-8cdc-905bc8e6ef99","text_snippet":"16.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"millions","current_value":25.5,"prior_value":16.2},{"tag":"us-gaap:ForeignCurrencyTransactionGainLossRealizedAfterTax","date_type":"YTD","period_type":"duration","presentation_role":"disclosurebasisofpresentationnarrativedetails","presentation_hierarchy":[{"role":"disclosurebasisofpresentationnarrativedetails","parent":"us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Realized Gain (Loss), Foreign Currency Transaction, after Tax","current_period_value":91.8,"prior_period_value":-78.5,"visual_current_value":91.8,"visual_prior_value":-78.5,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-6b386560-ca2d-4fa1-9c66-29dd64e4d8c3","text_snippet":"91.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-a4aaf97b-2845-4f24-889f-7abb3d6ee4e8","text_snippet":"78.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":91.8,"prior_value":-78.5},{"tag":"us-gaap:IntercompanyForeignCurrencyBalanceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosurebasisofpresentationnarrativedetails","presentation_hierarchy":[{"role":"disclosurebasisofpresentationnarrativedetails","parent":"us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Intra-Entity Foreign Currency Balance, Amount","current_period_value":1,"prior_period_value":1.2,"visual_current_value":1,"visual_prior_value":1.2,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-c5ad4de4-e4d5-4dcd-815a-fd14f18cf658","text_snippet":"1.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-53b86c0a-572b-4a73-8372-6d9aeb3d0b0b","text_snippet":"1.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"billions","current_value":1,"prior_value":1.2},{"tag":"us-gaap:RepaymentsOfRelatedPartyDebt","date_type":"YTD","period_type":"duration","presentation_role":"disclosurebasisofpresentationnarrativedetails","presentation_hierarchy":[{"role":"disclosurebasisofpresentationnarrativedetails","parent":"us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Related Party Debt","current_period_value":125,"prior_period_value":132.1,"visual_current_value":125,"visual_prior_value":132.1,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-31ad6b92-d12f-46c8-92c8-f2b448403fcd","text_snippet":"125.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-4bebc67f-8f33-4332-958d-2fe17f7c307a","text_snippet":"132.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":125,"prior_value":132.1},{"tag":"us-gaap:CashAndCashEquivalentsDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosurecashcashequivalentsandrestrictedcash","presentation_hierarchy":[{"role":"disclosurecashcashequivalentsandrestrictedcash","parent":"us-gaap:CashAndCashEquivalentsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Cash and Cash Equivalents Disclosure [Text Block]","current_period_value":3,"prior_period_value":3.0,"visual_current_value":3,"visual_prior_value":3.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-632ef0ff-6e03-4219-8e56-91939efa666e","text_snippet":"3.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-591c7f24-e37e-4c73-97b8-3855b875fdda","text_snippet":"3.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":3,"prior_value":3.0},{"tag":"us-gaap:EscrowDeposit","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashnarrativedetails","presentation_hierarchy":[{"role":"disclosurecashcashequivalentsandrestrictedcashnarrativedetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Escrow Deposit","current_period_value":7.6,"prior_period_value":6.9,"visual_current_value":7.6,"visual_prior_value":6.9,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=sbac:PaymentAndPerformanceBondsMember","dimensions":[{"axis":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis","axis_label":"Restricted Cash And Cash Equivalents Cash And Cash Equivalents","member":"sbac:PaymentAndPerformanceBondsMember","member_label":"Payment and Performance Bonds [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_PaymentAndPerformanceBondsMember","char_anchor":"ct-nonFraction-f1296cab-d1b9-4e7d-bdf1-8e50745cb419","text_snippet":"7.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_PaymentAndPerformanceBondsMember","char_anchor":"ct-nonFraction-ee82e893-4eb0-4bc0-b4d1-c94c3a85451f","text_snippet":"6.9","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":7.6,"prior_value":6.9},{"tag":"us-gaap:EscrowDeposit","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashnarrativedetails","presentation_hierarchy":[{"role":"disclosurecashcashequivalentsandrestrictedcashnarrativedetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Escrow Deposit","current_period_value":2.9,"prior_period_value":2.5,"visual_current_value":2.9,"visual_prior_value":2.5,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:ScheduleOfMalpracticeInsuranceTypeAndTierIdentifierAxis=sbac:WorkersCompensationPolicyMember","dimensions":[{"axis":"us-gaap:ScheduleOfMalpracticeInsuranceTypeAndTierIdentifierAxis","axis_label":"Schedule Of Malpractice Insurance Type And Tier Identifier","member":"sbac:WorkersCompensationPolicyMember","member_label":"Workers Compensation Policy [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_ScheduleOfMalpracticeInsuranceTypeAndTierIdentifierAxis_sbac_WorkersCompensationPolicyMember","char_anchor":"ct-nonFraction-1143fdae-792c-43d0-ad3a-af75117bad3c","text_snippet":"2.9","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_ScheduleOfMalpracticeInsuranceTypeAndTierIdentifierAxis_sbac_WorkersCompensationPolicyMember","char_anchor":"ct-nonFraction-43a46986-69d7-415b-8a84-72350c44e21b","text_snippet":"2.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":2.9,"prior_value":2.5},{"tag":"us-gaap:RestrictedInvestments","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashnarrativedetails","presentation_hierarchy":[{"role":"disclosurecashcashequivalentsandrestrictedcashnarrativedetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Restricted Investments","current_period_value":42.4,"prior_period_value":42.2,"visual_current_value":42.4,"visual_prior_value":42.2,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-0dcc7c7a-ca2e-4073-a343-552918caf192","text_snippet":"42.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-a180ec82-8d74-4fb9-b4cb-a02dcc54021a","text_snippet":"42.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":42.4,"prior_value":42.2},{"tag":"us-gaap:RestrictedCashAndCashEquivalentsNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","presentation_hierarchy":[{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","weight":1.0,"order":3.0}],"calculation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Restricted Cash and Cash Equivalents, Noncurrent","current_period_value":4621,"prior_period_value":4134.0,"visual_current_value":4621,"visual_prior_value":4134.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=sbac:SuretyBondsAndWorkersCompensationMember","dimensions":[{"axis":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis","axis_label":"Restricted Cash And Cash Equivalents Cash And Cash Equivalents","member":"sbac:SuretyBondsAndWorkersCompensationMember","member_label":"Surety Bonds and Workers Compensation [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_SuretyBondsAndWorkersCompensationMember","char_anchor":"ct-nonFraction-747e939a-3270-4685-b453-f85d2103bafb","text_snippet":"4,621","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_SuretyBondsAndWorkersCompensationMember","char_anchor":"ct-nonFraction-c0535f2b-198a-4a53-b80b-83ba43b2a38c","text_snippet":"4,134","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":4621,"prior_value":4134.0},{"tag":"us-gaap:CashAndCashEquivalentsAtCarryingValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0,1.0,0],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrent","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:AssetsCurrent","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Current Assets"},{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","weight":1.0,"order":1.0}],"calculation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cash and Cash Equivalents, at Carrying Value","current_period_value":430306,"prior_period_value":186339.0,"visual_current_value":430306,"visual_prior_value":186339.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-861db7a8-83bf-4aa6-8ef2-0842f1e6c974","text_snippet":"430,306","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-3e437892-d9a5-4a82-8331-7aaad4ae38ee","text_snippet":"186,339","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":430306,"prior_value":186339.0},{"tag":"us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0,2.0,1],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrent","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:AssetsCurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Current Assets"},{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","weight":1.0,"order":2.0}],"calculation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Restricted Cash and Cash Equivalents, Current","current_period_value":30467,"prior_period_value":61019.0,"visual_current_value":30467,"visual_prior_value":61019.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-1c2e041a-e80c-4dc3-9994-1303ff37e343","text_snippet":"30,467","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-c8f0e249-f961-4ac9-aaa1-4de6dd79d5dd","text_snippet":"61,019","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":30467,"prior_value":61019.0},{"tag":"us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0,2.0,1],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrent","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:AssetsCurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Current Assets"},{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","weight":1.0,"order":2.0}],"calculation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Restricted Cash and Cash Equivalents, Current","current_period_value":9958,"prior_period_value":7134.0,"visual_current_value":9958,"visual_prior_value":7134.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=sbac:PaymentPerformanceBondsAndOtherMember","dimensions":[{"axis":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis","axis_label":"Restricted Cash And Cash Equivalents Cash And Cash Equivalents","member":"sbac:PaymentPerformanceBondsAndOtherMember","member_label":"Payment, Performance Bonds, and Other [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_PaymentPerformanceBondsAndOtherMember","char_anchor":"ct-nonFraction-96ed1667-bdcc-415e-843e-87da55126004","text_snippet":"9,958","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_PaymentPerformanceBondsAndOtherMember","char_anchor":"ct-nonFraction-969c7b7f-d502-4754-a71b-80fdd6aa9729","text_snippet":"7,134","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":9958,"prior_value":7134.0},{"tag":"us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0,2.0,1],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrent","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:AssetsCurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Current Assets"},{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","weight":1.0,"order":2.0}],"calculation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Restricted Cash and Cash Equivalents, Current","current_period_value":20509,"prior_period_value":53885.0,"visual_current_value":20509,"visual_prior_value":53885.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis=sbac:SecuritizationEscrowAccountsMember","dimensions":[{"axis":"us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis","axis_label":"Restricted Cash And Cash Equivalents Cash And Cash Equivalents","member":"sbac:SecuritizationEscrowAccountsMember","member_label":"Securitization Escrow Accounts [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_SecuritizationEscrowAccountsMember","char_anchor":"ct-nonFraction-baf3f7fe-068d-4e53-9776-f9377d842c8f","text_snippet":"20,509","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis_sbac_SecuritizationEscrowAccountsMember","char_anchor":"ct-nonFraction-06a40f42-590c-4d1e-bb66-708c0077404f","text_snippet":"53,885","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":20509,"prior_value":53885.0},{"tag":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","date_type":"Q","period_type":"instant","presentation_role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"disclosurecashcashequivalentsandrestrictedcashscheduleofcashcashequivalentsandrestrictedcashdetails","parent":"us-gaap:RestrictedCashAndCashEquivalentsItemsLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectAbstract","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,6.0,5,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents","current_period_value":465394,"prior_period_value":251492.0,"visual_current_value":465394,"visual_prior_value":251492.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-a7bb71cd-598d-4de2-88ce-eb1e90829fef","text_snippet":"465,394","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-e10c286d-0cd6-4212-87f8-153284758e81","text_snippet":"251,492","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":465394,"prior_value":251492.0},{"tag":"us-gaap:LongTermContractsOrProgramsDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontracts","presentation_hierarchy":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontracts","parent":"us-gaap:ContractorsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Contracts or Programs Disclosure [Text Block]","current_period_value":4,"prior_period_value":null,"visual_current_value":4,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-ec2633cf-989c-4b5b-af8e-35f7725cc458","text_snippet":"4.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":null,"current_value":4,"prior_value":null},{"tag":"us-gaap:ContractWithCustomerLiabilityCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","presentation_hierarchy":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","parent":"us-gaap:ContractorsAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","parent":"sbac:ContractWithCustomerNetAssetLiability","weight":-1.0,"order":2.0}],"calculation_role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","calculation_parent":"sbac:ContractWithCustomerNetAssetLiability","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Contract with Customer, Liability, Current","current_period_value":5088,"prior_period_value":2792.0,"visual_current_value":-5088,"visual_prior_value":-2792.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-a7323897-9fbd-4f0a-8286-06bace49dc4d","text_snippet":"5,088","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-2960c021-599a-4230-8353-c60364d6eb92","text_snippet":"2,792","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-5088,"prior_value":-2792.0},{"tag":"sbac:ContractWithCustomerNetAssetLiability","date_type":"Q","period_type":"instant","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails|disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","presentation_hierarchy":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","parent":"us-gaap:ContractorsAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"section_label":null},{"role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","parent":"us-gaap:ContractorsAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Contract with Customer, Net Asset (Liability)","current_period_value":44476,"prior_period_value":21950.0,"visual_current_value":44476,"visual_prior_value":21950.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-db85f5c0-b344-46de-95ff-5dcdbaa2ed55","text_snippet":"44,476","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-2cb1e27e-aee7-468d-bb5e-8d95a0b57a27","text_snippet":"21,950","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":44476,"prior_value":21950.0},{"tag":"us-gaap:ContractWithCustomerAssetNetCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0,4.0,3],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrent","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:AssetsCurrent","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Current Assets"},{"role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","parent":"us-gaap:ContractorsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","parent":"sbac:ContractWithCustomerNetAssetLiability","weight":1.0,"order":1.0}],"calculation_role":"disclosurecostsandestimatedearningsonuncompletedcontractscostsandestimatedearningsonuncompletedcontractsaccompanyingconsolidatedbalancesheetsdetails","calculation_parent":"sbac:ContractWithCustomerNetAssetLiability","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Contract with Customer, Asset, after Allowance for Credit Loss, Current","current_period_value":49564,"prior_period_value":24742.0,"visual_current_value":49564,"visual_prior_value":24742.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-ac44b94e-5aa4-4ae4-a592-690037b51104","text_snippet":"49,564","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-77a6bb96-9a5d-4590-8013-f8f156ef706a","text_snippet":"24,742","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":49564,"prior_value":24742.0},{"tag":"us-gaap:ConcentrationRiskPercentage1","date_type":"YTD","period_type":"duration","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractsnarrativedetails|disclosuresegmentdatanarrativedetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":13.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,13.0,12],"section_concept":null,"section_label":null},{"role":"disclosuresegmentdatanarrativedetails","parent":"us-gaap:RevenuesFromExternalCustomersAndLongLivedAssetsLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,3.0,2],"section_concept":null,"section_label":null},{"role":"disclosurecostsandestimatedearningsonuncompletedcontractsnarrativedetails","parent":"us-gaap:ConcentrationRiskLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Concentration Risk, Percentage","current_period_value":5,"prior_period_value":5.0,"visual_current_value":5,"visual_prior_value":5.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:RangeAxis=srt:MaximumMember|srt:StatementGeographicalAxis=sbac:ForeignCountriesOtherThanBrazilMember|us-gaap:ConcentrationRiskByBenchmarkAxis=us-gaap:SalesRevenueNetMember|us-gaap:ConcentrationRiskByTypeAxis=us-gaap:GeographicConcentrationRiskMember","dimensions":[{"axis":"srt:RangeAxis","axis_label":"Range","member":"srt:MaximumMember","member_label":"Maximum"},{"axis":"srt:StatementGeographicalAxis","axis_label":"Geography","member":"sbac:ForeignCountriesOtherThanBrazilMember","member_label":"Foreign Countries, Other than Brazil [Member]"},{"axis":"us-gaap:ConcentrationRiskByBenchmarkAxis","axis_label":"Concentration Risk By Benchmark","member":"us-gaap:SalesRevenueNetMember","member_label":"Sales Revenue Net"},{"axis":"us-gaap:ConcentrationRiskByTypeAxis","axis_label":"Concentration Risk By Type","member":"us-gaap:GeographicConcentrationRiskMember","member_label":"Geographic Concentration Risk"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_srt_RangeAxis_srt_MaximumMember_srt_StatementGeographicalAxis_sbac_ForeignCountriesOtherThanBrazilMember_us-gaap_ConcentrationRiskByBenchmarkAxis_us-gaap_SalesRevenueNetMember_us-gaap_ConcentrationRiskByTypeAxis_us-gaap_GeographicConcentrationRiskMember","char_anchor":"ct-nonFraction-4b2c66ef-2304-4e51-8060-2e19e933a1b2","text_snippet":"5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_srt_RangeAxis_srt_MaximumMember_srt_StatementGeographicalAxis_sbac_ForeignCountriesOtherThanBrazilMember_us-gaap_ConcentrationRiskByBenchmarkAxis_us-gaap_SalesRevenueNetMember_us-gaap_ConcentrationRiskByTypeAxis_us-gaap_GeographicConcentrationRiskMember","char_anchor":"ct-nonFraction-73857b52-c920-45af-ad7d-a110f3965283","text_snippet":"5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"hundredths","current_value":5,"prior_value":5.0},{"tag":"us-gaap:ConcentrationRiskPercentage1","date_type":"YTD","period_type":"duration","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractsnarrativedetails|disclosuresegmentdatanarrativedetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":13.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,13.0,12],"section_concept":null,"section_label":null},{"role":"disclosuresegmentdatanarrativedetails","parent":"us-gaap:RevenuesFromExternalCustomersAndLongLivedAssetsLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,3.0,2],"section_concept":null,"section_label":null},{"role":"disclosurecostsandestimatedearningsonuncompletedcontractsnarrativedetails","parent":"us-gaap:ConcentrationRiskLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Concentration Risk, Percentage","current_period_value":97.1,"prior_period_value":91.6,"visual_current_value":97.1,"visual_prior_value":91.6,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:MajorCustomersAxis=sbac:TwoLargestCustomersMember|us-gaap:ConcentrationRiskByBenchmarkAxis=sbac:ContractWithCustomerMember|us-gaap:ConcentrationRiskByTypeAxis=us-gaap:CustomerConcentrationRiskMember","dimensions":[{"axis":"srt:MajorCustomersAxis","axis_label":"Major Customers","member":"sbac:TwoLargestCustomersMember","member_label":"Two Largest Customers [Member]"},{"axis":"us-gaap:ConcentrationRiskByBenchmarkAxis","axis_label":"Concentration Risk By Benchmark","member":"sbac:ContractWithCustomerMember","member_label":"Contract with Customer [Member]"},{"axis":"us-gaap:ConcentrationRiskByTypeAxis","axis_label":"Concentration Risk By Type","member":"us-gaap:CustomerConcentrationRiskMember","member_label":"Customer Concentration Risk"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_srt_MajorCustomersAxis_sbac_TwoLargestCustomersMember_us-gaap_ConcentrationRiskByBenchmarkAxis_sbac_ContractWithCustomerMember_us-gaap_ConcentrationRiskByTypeAxis_us-gaap_CustomerConcentrationRiskMember","char_anchor":"ct-nonFraction-7c3cc38a-6e42-41e0-aff8-4028cf1134a4","text_snippet":"97.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_srt_MajorCustomersAxis_sbac_TwoLargestCustomersMember_us-gaap_ConcentrationRiskByBenchmarkAxis_sbac_ContractWithCustomerMember_us-gaap_ConcentrationRiskByTypeAxis_us-gaap_CustomerConcentrationRiskMember","char_anchor":"ct-nonFraction-73c46572-70be-495c-80c6-953fc0ef5980","text_snippet":"91.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"hundredths","current_value":97.1,"prior_value":91.6},{"tag":"sbac:ContractWithCustomerBillingToDate","date_type":"Q","period_type":"instant","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","presentation_hierarchy":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","parent":"us-gaap:ContractorsAbstract","order":3.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","parent":"sbac:ContractWithCustomerNetAssetLiability","weight":-1.0,"order":1.0}],"calculation_role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","calculation_parent":"sbac:ContractWithCustomerNetAssetLiability","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Contract with Customer, Billing to Date","current_period_value":146192,"prior_period_value":61823.0,"visual_current_value":-146192,"visual_prior_value":-61823.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-52f37a60-e8a4-48de-8af5-bad1d89637b8","text_snippet":"146,192","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-8fad393c-aecb-4d6b-a30a-892dbb7d0a5e","text_snippet":"61,823","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-146192,"prior_value":-61823.0},{"tag":"sbac:ContractWithCustomerEstimatedEarnings","date_type":"Q","period_type":"instant","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","presentation_hierarchy":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","parent":"us-gaap:ContractorsAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","parent":"sbac:ContractWithCustomerNetAssetLiability","weight":1.0,"order":3.0}],"calculation_role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","calculation_parent":"sbac:ContractWithCustomerNetAssetLiability","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Estimated earnings","current_period_value":51207,"prior_period_value":25381.0,"visual_current_value":51207,"visual_prior_value":25381.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-4b0b8982-a8bd-4fa0-9f46-03de66845244","text_snippet":"51,207","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-6eb5386f-aa3c-4ede-bb39-62cac99ade24","text_snippet":"25,381","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":51207,"prior_value":25381.0},{"tag":"us-gaap:CapitalizedContractCostNet","date_type":"Q","period_type":"instant","presentation_role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","presentation_hierarchy":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","parent":"us-gaap:ContractorsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","parent":"sbac:ContractWithCustomerNetAssetLiability","weight":1.0,"order":2.0}],"calculation_role":"disclosurecostsandestimatedearningsonuncompletedcontractssummaryofcostsandestimatedearningsonuncompletedcontractsdetails","calculation_parent":"sbac:ContractWithCustomerNetAssetLiability","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Capitalized Contract Cost, Net","current_period_value":139461,"prior_period_value":58392.0,"visual_current_value":139461,"visual_prior_value":58392.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-aa125f8a-e404-4c6a-8e27-96c6aeed904e","text_snippet":"139,461","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-3799e5bb-94d9-42f9-942d-2270b9669f77","text_snippet":"58,392","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":139461,"prior_value":58392.0},{"tag":"us-gaap:DebtDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebt","presentation_hierarchy":[{"role":"disclosuredebt","parent":"us-gaap:DebtDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Disclosure [Text Block]","current_period_value":10,"prior_period_value":10.0,"visual_current_value":10,"visual_prior_value":10.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-93ce8057-095e-4fbc-b16e-9bd8bc6632b8","text_snippet":"10.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-61fde56a-bf76-4384-a8fe-7e8d02878591","text_snippet":"10.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":10,"prior_value":10.0},{"tag":"us-gaap:LineOfCredit","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","presentation_hierarchy":[{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,3.0,2],"section_concept":null,"section_label":null},{"role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Line of Credit","current_period_value":280000,"prior_period_value":160000.0,"visual_current_value":280000,"visual_prior_value":160000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-80f91d30-8326-4b10-8a25-a13cfcebef42","text_snippet":"280,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-d74600be-99af-4ca2-9ad4-e62eaed72756","text_snippet":"160,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":280000,"prior_value":160000.0},{"tag":"us-gaap:LineOfCredit","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","presentation_hierarchy":[{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,3.0,2],"section_concept":null,"section_label":null},{"role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Line of Credit","current_period_value":280000,"prior_period_value":null,"visual_current_value":280000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-80f91d30-8326-4b10-8a25-a13cfcebef42","text_snippet":"280,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":280000,"prior_value":null},{"tag":"us-gaap:RepaymentsOfLongTermLinesOfCredit","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,2.0,1],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":2.0,"section_label":"Financing Activities"},{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":5.0,"global_sort_position":[0,1.0,0,4.0,3,5.0,4],"section_concept":null,"section_label":null},{"role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":3.0,"preferred_label_role":"negatedTerseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Long-Term Lines of Credit","current_period_value":95000,"prior_period_value":135000.0,"visual_current_value":-95000,"visual_prior_value":-135000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-f0b0856f-46ed-4305-8b17-3f076893e562","text_snippet":"95,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-3de1bb24-a15c-42ae-9a55-87b6f1e0cfed","text_snippet":"135,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-95000,"prior_value":-135000.0},{"tag":"us-gaap:RepaymentsOfLongTermLinesOfCredit","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,2.0,1],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":2.0,"section_label":"Financing Activities"},{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":5.0,"global_sort_position":[0,1.0,0,4.0,3,5.0,4],"section_concept":null,"section_label":null},{"role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":3.0,"preferred_label_role":"negatedTerseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Long-Term Lines of Credit","current_period_value":95000,"prior_period_value":390000.0,"visual_current_value":-95000,"visual_prior_value":-390000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-976af4aa-1379-419c-a85c-57bac3d01964","text_snippet":"95,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0dc263c9-51fd-45a7-8a8a-068905b429a7","text_snippet":"390,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-95000,"prior_value":-390000.0},{"tag":"us-gaap:RepaymentsOfLongTermLinesOfCredit","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,2.0,1],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":2.0,"section_label":"Financing Activities"},{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":5.0,"global_sort_position":[0,1.0,0,4.0,3,5.0,4],"section_concept":null,"section_label":null},{"role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":3.0,"preferred_label_role":"negatedTerseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Long-Term Lines of Credit","current_period_value":95000,"prior_period_value":390000.0,"visual_current_value":-95000,"visual_prior_value":-390000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-7803e92d-ea19-4445-b809-643407dc5c11","text_snippet":"95,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-dad18fe1-a52f-4c43-bdee-2c17a444582b","text_snippet":"390,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-95000,"prior_value":-390000.0},{"tag":"us-gaap:RepaymentsOfOtherLongTermDebt","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,4.0,3],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Other Long-Term Debt","current_period_value":17.3,"prior_period_value":11.5,"visual_current_value":17.3,"visual_prior_value":11.5,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-7d287793-56a3-4843-84bc-46bda1b0bacf","text_snippet":"17.3","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-8109372d-841c-4d7e-b594-7696091c17ad","text_snippet":"11.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":17.3,"prior_value":11.5},{"tag":"us-gaap:RepaymentsOfOtherLongTermDebt","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,4.0,3],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Other Long-Term Debt","current_period_value":11.5,"prior_period_value":null,"visual_current_value":11.5,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-57eecc16-0067-4ff1-b0d0-603f0a92b1d9","text_snippet":"11.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":11.5,"prior_value":null},{"tag":"us-gaap:DebtInstrumentBasisSpreadOnVariableRate1","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosurefairvaluemeasurementsnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Basis Spread on Variable Rate","current_period_value":150,"prior_period_value":150.0,"visual_current_value":150,"visual_prior_value":150.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:RangeAxis=srt:MaximumMember|us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"srt:RangeAxis","axis_label":"Range","member":"srt:MaximumMember","member_label":"Maximum"},{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_srt_RangeAxis_srt_MaximumMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-f74dc59a-48a5-48a0-b94e-dfbb5e863b00","text_snippet":"150.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_srt_RangeAxis_srt_MaximumMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-7dca8c92-3cb6-400b-bc80-1d5a2592644e","text_snippet":"150.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"10^-4","current_value":150,"prior_value":150.0},{"tag":"us-gaap:DebtInstrumentBasisSpreadOnVariableRate1","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails|disclosurefairvaluemeasurementsnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtrevolvingcreditfacilityunderseniorcreditagreementnarrativedetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Basis Spread on Variable Rate","current_period_value":112.5,"prior_period_value":112.5,"visual_current_value":112.5,"visual_prior_value":112.5,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:RangeAxis=srt:MinimumMember|us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"srt:RangeAxis","axis_label":"Range","member":"srt:MinimumMember","member_label":"Minimum"},{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_srt_RangeAxis_srt_MinimumMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-a0f757e2-bc57-4246-88fe-4f2e0b33bf8d","text_snippet":"112.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_srt_RangeAxis_srt_MinimumMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-e54e5959-fd23-491e-894f-8b8111db1b50","text_snippet":"112.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"10^-4","current_value":112.5,"prior_value":112.5},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":120154,"prior_period_value":95711.0,"visual_current_value":120154,"visual_prior_value":95711.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-812debb7-501b-47c2-aa9b-a3638d5b70db","text_snippet":"120,154","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-1bea581a-d88f-4cbd-a61d-91549d5e857d","text_snippet":"95,711","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":120154,"prior_value":95711.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":1480,"prior_period_value":1982.0,"visual_current_value":1480,"visual_prior_value":1982.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-062ed7f5-2a5c-448d-bea4-0ceebb2436b6","text_snippet":"1,480","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-49bf0227-38c7-41ce-803f-8715d2103c08","text_snippet":"1,982","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1480,"prior_value":1982.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":15,"prior_period_value":833.0,"visual_current_value":15,"visual_prior_value":833.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:OtherDebtMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:OtherDebtMember","member_label":"Other [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-f53cc81c-e6c4-48ba-8581-19aa31f5d421","text_snippet":"15","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-98c20aa4-e243-4fff-bd8d-dd31c569d74e","text_snippet":"833","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":15,"prior_value":833.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":11719,"prior_period_value":11719.0,"visual_current_value":11719,"visual_prior_value":11719.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesNineMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesNineMember","member_label":"2021 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-e152b3c2-c401-4921-ada1-cd8c613b290c","text_snippet":"11,719","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-dfddadc4-eaac-4dcc-8435-79dbfe8f6fe3","text_snippet":"11,719","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":11719,"prior_value":11719.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":14531,"prior_period_value":14531.0,"visual_current_value":14531,"visual_prior_value":14531.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-fc04577c-44c5-42eb-899c-0c785120c5bf","text_snippet":"14,531","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-9bf115f9-cdcf-43bb-8eed-925ce98b9f7f","text_snippet":"14,531","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":14531,"prior_value":14531.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":30625,"prior_period_value":16072.0,"visual_current_value":30625,"visual_prior_value":16072.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-53e5a7dd-b428-4334-ba0f-8ee7a346c884","text_snippet":"30,625","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-47910bb0-26db-4922-970a-186a60d550c2","text_snippet":"16,072","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":30625,"prior_value":16072.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":3598,"prior_period_value":3598.0,"visual_current_value":3598,"visual_prior_value":3598.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","member_label":"2020-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-1463e9c7-ff2a-45d8-a93d-d5451d909a4b","text_snippet":"3,598","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-571221df-85d0-4666-ae7a-346fec28470a","text_snippet":"3,598","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3598,"prior_value":3598.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":3540,"prior_period_value":3540.0,"visual_current_value":3540,"visual_prior_value":3540.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","member_label":"2020-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-c5cf9a84-e873-40e7-b6a6-339d52752308","text_snippet":"3,540","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-2f85e6f9-2f0b-46e8-b9ac-b235d5a683a3","text_snippet":"3,540","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3540,"prior_value":3540.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":4870,"prior_period_value":4870.0,"visual_current_value":4870,"visual_prior_value":4870.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","member_label":"2021-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-cd4e0de2-028a-48e9-b9f7-a96b5c98841d","text_snippet":"4,870","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-d9074823-ec3d-4e33-a96a-1884b59cc9ff","text_snippet":"4,870","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":4870,"prior_value":4870.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":5873,"prior_period_value":5873.0,"visual_current_value":5873,"visual_prior_value":5873.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","member_label":"2021-3C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-905edf0d-a547-4107-b72b-be134e66090b","text_snippet":"5,873","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-e7ea2e68-9ee7-4c10-8c7f-7411b5f605c7","text_snippet":"5,873","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":5873,"prior_value":5873.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":4196,"prior_period_value":4196.0,"visual_current_value":4196,"visual_prior_value":4196.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","member_label":"2021-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-60cc6f6c-4db7-47dc-a500-14136f3c67a2","text_snippet":"4,196","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-62a8866f-0bab-41b6-a49e-3bd0b9d74c15","text_snippet":"4,196","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":4196,"prior_value":4196.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":14094,"prior_period_value":14094.0,"visual_current_value":14094,"visual_prior_value":14094.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","member_label":"2022-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-c2f476ed-05e8-42ef-94af-ff664879aee9","text_snippet":"14,094","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-67f6e8d2-289e-4225-84c4-de7d2929b97e","text_snippet":"14,094","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":14094,"prior_value":14094.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":343959,"prior_period_value":289632.0,"visual_current_value":343959,"visual_prior_value":289632.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-2ba04e8e-07e4-49c4-806d-696355ee7587","text_snippet":"343,959","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0d9279e0-cf2c-4fdb-98bb-add55e2c2d25","text_snippet":"289,632","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":343959,"prior_value":289632.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":3107,"prior_period_value":7611.0,"visual_current_value":3107,"visual_prior_value":7611.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-95cbca70-48b7-4aa4-ab55-ba08f9047eaf","text_snippet":"3,107","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-dc2c52f5-290d-46fa-8a9b-2ba70aec8f40","text_snippet":"7,611","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3107,"prior_value":7611.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":606,"prior_period_value":2672.0,"visual_current_value":606,"visual_prior_value":2672.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:OtherDebtMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:OtherDebtMember","member_label":"Other [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-79b926fb-3672-4e1a-8f6d-a6b9b31b61b6","text_snippet":"606","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-fb999237-d96a-4f62-bc7a-7b44e03f777e","text_snippet":"2,672","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":606,"prior_value":2672.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":35156,"prior_period_value":35156.0,"visual_current_value":35156,"visual_prior_value":35156.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesNineMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesNineMember","member_label":"2021 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-c6158a70-083d-4216-b628-95d26197f420","text_snippet":"35,156","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-d2d10031-3eff-42ff-b742-1f88539fda66","text_snippet":"35,156","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":35156,"prior_value":35156.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":43594,"prior_period_value":43594.0,"visual_current_value":43594,"visual_prior_value":43594.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-eb028886-6f00-4141-8c38-838c48922b85","text_snippet":"43,594","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-031b4862-4f85-4088-9df1-c76cf84af2ee","text_snippet":"43,594","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":43594,"prior_value":43594.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":1306,"prior_period_value":25072.0,"visual_current_value":1306,"visual_prior_value":25072.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandNineteenHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandNineteenHyphenOneCTowerSecuritiesMember","member_label":"2019-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandNineteenHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-438413e5-a7df-497d-859f-7be3173f9818","text_snippet":"1,306","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandNineteenHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-8a316cca-48d3-42a6-a137-35a446242b28","text_snippet":"25,072","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1306,"prior_value":25072.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":74885,"prior_period_value":45670.0,"visual_current_value":74885,"visual_prior_value":45670.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-77d2fc62-916f-4639-8dc4-0a9007647ecd","text_snippet":"74,885","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-90008e5d-1d73-41bb-8f51-eb4b9c17e65f","text_snippet":"45,670","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":74885,"prior_value":45670.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":10793,"prior_period_value":10793.0,"visual_current_value":10793,"visual_prior_value":10793.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","member_label":"2020-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-64a5d1ea-f738-4fcf-891e-41550d14c7f1","text_snippet":"10,793","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-b766295e-f383-4482-97fb-fd96b8cabebd","text_snippet":"10,793","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":10793,"prior_value":10793.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":10619,"prior_period_value":10619.0,"visual_current_value":10619,"visual_prior_value":10619.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","member_label":"2020-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-c8abf125-d4c7-43c8-910a-1d6353cfc699","text_snippet":"10,619","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-8138e506-45bd-4124-8bd3-36a5a12252cb","text_snippet":"10,619","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":10619,"prior_value":10619.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":14567,"prior_period_value":14567.0,"visual_current_value":14567,"visual_prior_value":14567.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","member_label":"2021-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-7dca3d02-62da-4ae1-98b3-b0b00b0761ee","text_snippet":"14,567","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-b474d5e1-941e-4df9-bfc3-864068a46f00","text_snippet":"14,567","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":14567,"prior_value":14567.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":17619,"prior_period_value":17619.0,"visual_current_value":17619,"visual_prior_value":17619.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","member_label":"2021-3C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-bd12ea55-b0a4-4d5a-aa9a-7d49bf4d44ac","text_snippet":"17,619","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-2b09c780-305d-475c-9b9e-4134cbbbb06e","text_snippet":"17,619","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":17619,"prior_value":17619.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":12587,"prior_period_value":12587.0,"visual_current_value":12587,"visual_prior_value":12587.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","member_label":"2021-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-205dfd98-c7d6-487c-8e6c-365b5b290998","text_snippet":"12,587","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-7a4a2dc2-74ea-4fdd-be50-1a9b4ff2c39b","text_snippet":"12,587","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":12587,"prior_value":12587.0},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":42281,"prior_period_value":42281.0,"visual_current_value":42281,"visual_prior_value":42281.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","member_label":"2022-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-6c6d239a-7e6c-47ee-98de-8a755bee8997","text_snippet":"42,281","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-71ea8dae-6201-4349-bb75-895683d364ce","text_snippet":"42,281","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":42281,"prior_value":42281.0},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":17636,"prior_period_value":null,"visual_current_value":17636,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","member_label":"2024-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-adb59b4d-4a84-4d0c-afdb-2a2f6acb670c","text_snippet":"17,636","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":17636,"prior_value":null},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":52907,"prior_period_value":null,"visual_current_value":52907,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","member_label":"2024-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-939a7d35-b647-4798-a4f0-869870c8fe92","text_snippet":"52,907","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":52907,"prior_value":null},{"tag":"sbac:CashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":7977,"prior_period_value":null,"visual_current_value":7977,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","member_label":"2024-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-99b43297-0750-40e1-a380-fafba98a3674","text_snippet":"7,977","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":7977,"prior_value":null},{"tag":"sbac:CashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Cash Interest","current_period_value":23932,"prior_period_value":null,"visual_current_value":23932,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","member_label":"2024-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-87b40260-9d3c-41ca-8621-b5ee8b3a26b2","text_snippet":"23,932","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":23932,"prior_value":null},{"tag":"sbac:NonCashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":567,"prior_period_value":7192.0,"visual_current_value":567,"visual_prior_value":7192.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-27d69ac4-0397-4c72-a53a-9f207af8be1c","text_snippet":"567","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-143ddf01-4d79-47f3-beee-38dd0659a239","text_snippet":"7,192","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":567,"prior_value":7192.0},{"tag":"sbac:NonCashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":284,"prior_period_value":353.0,"visual_current_value":284,"visual_prior_value":353.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:OtherDebtMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:OtherDebtMember","member_label":"Other [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-40e35d3b-2a32-4ea6-8e21-3820c1f53a6f","text_snippet":"284","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-61957682-68e6-473a-aa81-f9e0518ffb12","text_snippet":"353","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":284,"prior_value":353.0},{"tag":"sbac:NonCashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":100,"prior_period_value":92.0,"visual_current_value":100,"visual_prior_value":92.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-77e7f918-31cd-45b5-ab8d-fc84624ba112","text_snippet":"100","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-f7aac502-4a77-42f9-8148-6e0e41d45078","text_snippet":"92","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":100,"prior_value":92.0},{"tag":"sbac:NonCashInterestExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":183,"prior_period_value":6747.0,"visual_current_value":183,"visual_prior_value":6747.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-f929eca4-dc4d-4840-93ab-558b6fc8cf4f","text_snippet":"183","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-ab71abff-ed03-4156-927d-f72b9511824c","text_snippet":"6,747","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":183,"prior_value":6747.0},{"tag":"sbac:NonCashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":10148,"prior_period_value":22715.0,"visual_current_value":10148,"visual_prior_value":22715.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8e7b5c98-f2be-4c12-931b-1fcbd80d258f","text_snippet":"10,148","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-7337e6d3-6053-4979-b50d-50d51982dac4","text_snippet":"22,715","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":10148,"prior_value":22715.0},{"tag":"sbac:NonCashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":2008,"prior_period_value":2193.0,"visual_current_value":2008,"visual_prior_value":2193.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:OtherDebtMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:OtherDebtMember","member_label":"Other [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-7bb63fc9-4fed-4ef3-bc3c-7dd0cb97a9a2","text_snippet":"2,008","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_OtherDebtMember","char_anchor":"ct-nonFraction-654a26c7-f7a3-4845-a3ef-ac2d1e892953","text_snippet":"2,193","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2008,"prior_value":2193.0},{"tag":"sbac:NonCashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":296,"prior_period_value":274.0,"visual_current_value":296,"visual_prior_value":274.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-306c6d4a-c5e5-400e-a022-ee8d2831a976","text_snippet":"296","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-0ab3494d-127e-4da8-94a2-f2defe286752","text_snippet":"274","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":296,"prior_value":274.0},{"tag":"sbac:NonCashInterestExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Non-cash interest","current_period_value":7844,"prior_period_value":18381.0,"visual_current_value":7844,"visual_prior_value":18381.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-29f7c3a4-56df-4240-adbf-f80e2b565e82","text_snippet":"7,844","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-7bb6cb3b-bdd2-43bc-a07d-3dfe37c8945c","text_snippet":"18,381","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":7844,"prior_value":18381.0},{"tag":"us-gaap:DebtInstrumentInterestRateDuringPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate During Period","current_period_value":5.253,"prior_period_value":2.76,"visual_current_value":5.253,"visual_prior_value":2.76,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-a226cd4a-6863-4fc1-9a71-41dd9f890cac","text_snippet":"5.253","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-48345bd1-78d0-4697-9cde-96caf482d2ec","text_snippet":"2.760","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"hundredths","current_value":5.253,"prior_value":2.76},{"tag":"us-gaap:DebtInstrumentInterestRateEffectivePercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null},{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":5.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,5.0,4],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":8.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Effective Percentage","current_period_value":5.92,"prior_period_value":null,"visual_current_value":5.92,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-612b6ce9-5ecd-4fb0-8570-41c7e75b03d1","text_snippet":"5.920","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":5.92,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateEffectivePercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null},{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":5.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,5.0,4],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":8.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Effective Percentage","current_period_value":5.115,"prior_period_value":null,"visual_current_value":5.115,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","member_label":"2024-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-cfeffe72-eccd-410e-9442-fce896cc38b9","text_snippet":"5.115","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":5.115,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":5.235,"prior_period_value":null,"visual_current_value":5.235,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-26a1e81a-3ffa-43d7-ab80-d65b754def17","text_snippet":"5.235","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":5.235,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":5.253,"prior_period_value":null,"visual_current_value":5.253,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-78ffdfb9-b8e7-4a0d-8011-fa08cca913d2","text_snippet":"5.253","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":5.253,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":3.869,"prior_period_value":null,"visual_current_value":3.869,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandFourteenHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandFourteenHyphenTwoCTowerSecuritiesMember","member_label":"2014-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandFourteenHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-a21eda8f-10dd-4783-85ed-010f722236e4","text_snippet":"3.869","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":3.869,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":2.836,"prior_period_value":null,"visual_current_value":2.836,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandNineteenHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandNineteenHyphenOneCTowerSecuritiesMember","member_label":"2019-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandNineteenHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-f1cb193f-fde0-4092-ab05-7aaf272bdd00","text_snippet":"2.836","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":2.836,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":1.884,"prior_period_value":null,"visual_current_value":1.884,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","member_label":"2020-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-4817fc0d-f367-4b77-8d8d-6c5081b76dfb","text_snippet":"1.884","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":1.884,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":2.328,"prior_period_value":null,"visual_current_value":2.328,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","member_label":"2020-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-640e0540-a590-424a-ab27-9c8bb392e900","text_snippet":"2.328","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":2.328,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":1.631,"prior_period_value":null,"visual_current_value":1.631,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","member_label":"2021-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-c1ffe631-35e5-42f7-bceb-819dfca4c26e","text_snippet":"1.631","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":1.631,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":1.84,"prior_period_value":null,"visual_current_value":1.84,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","member_label":"2021-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-a50b6f02-d0e3-4327-af93-e2f2ad5cff77","text_snippet":"1.840","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":1.84,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":2.593,"prior_period_value":null,"visual_current_value":2.593,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","member_label":"2021-3C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-a82291df-d5a8-484b-a38e-8b02f06097bc","text_snippet":"2.593","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":2.593,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":6.599,"prior_period_value":null,"visual_current_value":6.599,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","member_label":"2022-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-871a0c30-d512-496a-800b-e2ab76f24ebe","text_snippet":"6.599","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":6.599,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":4.831,"prior_period_value":null,"visual_current_value":4.831,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","member_label":"2024-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-44060be2-0bc6-4a84-b300-9d217cce25a1","text_snippet":"4.831","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":4.831,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":4.654,"prior_period_value":null,"visual_current_value":4.654,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","member_label":"2024-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-94e2c394-f3d3-4ab0-bfc6-32138d1c3f6b","text_snippet":"4.654","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":4.654,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":3.875,"prior_period_value":null,"visual_current_value":3.875,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-64096271-1676-4e0b-be46-615435e495f5","text_snippet":"3.875","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":3.875,"prior_value":null},{"tag":"us-gaap:DebtInstrumentInterestRateStatedPercentage","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofcashandnoncashinterestexpensedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":9.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Interest Rate, Stated Percentage","current_period_value":3.125,"prior_period_value":null,"visual_current_value":3.125,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesNineMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesNineMember","member_label":"2021 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-ed6abe16-dc6e-44e4-a055-7354b5ff0694","text_snippet":"3.125","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":3.125,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":12149912,"prior_period_value":11604174.0,"visual_current_value":12149912,"visual_prior_value":11604174.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-3426b902-aeaf-4ba7-9a9c-cae4984a4595","text_snippet":"12,149,912","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-3833f2e7-0b4c-469e-b545-4bf39f4758b7","text_snippet":"11,604,174","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":12149912,"prior_value":11604174.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":280000,"prior_period_value":160000.0,"visual_current_value":280000,"visual_prior_value":160000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-cabdbf96-d93d-4e9a-a15d-0312a56c31ae","text_snippet":"280,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-302f348f-d262-4b2e-9ded-f53deaea3633","text_snippet":"160,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":280000,"prior_value":160000.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":1410000,"prior_period_value":1378125.0,"visual_current_value":1410000,"visual_prior_value":1378125.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesNineMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesNineMember","member_label":"2021 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-3ff9dbb9-e5d5-4f8f-82a8-eb416fb8f349","text_snippet":"1,410,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-3ff8f58a-eaad-413a-91fe-68b13791dfe4","text_snippet":"1,378,125","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1410000,"prior_value":1378125.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":1477635,"prior_period_value":1465830.0,"visual_current_value":1477635,"visual_prior_value":1465830.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-f8e7f769-6c61-4399-8438-0def47c37432","text_snippet":"1,477,635","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-0b8847e1-3e0c-4dab-bf73-8dc0ba079aba","text_snippet":"1,465,830","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1477635,"prior_value":1465830.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":2273996,"prior_period_value":2292802.0,"visual_current_value":2273996,"visual_prior_value":2292802.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-a83bdba9-65cf-4635-9007-cde81e5565af","text_snippet":"2,273,996","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-e51e3ebd-b68c-4725-bff1-a4447266dd23","text_snippet":"2,292,802","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2273996,"prior_value":2292802.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":722858,"prior_period_value":724395.0,"visual_current_value":722858,"visual_prior_value":724395.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","member_label":"2020-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-f167cc07-66e8-4a47-9af4-cbeb732c8ea1","text_snippet":"722,858","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-6f2cd319-94ae-4f9f-ba5d-8c1e34ef5967","text_snippet":"724,395","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":722858,"prior_value":724395.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":514080,"prior_period_value":515172.0,"visual_current_value":514080,"visual_prior_value":515172.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","member_label":"2020-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-6e781497-c891-4d67-9614-7ae387be2ca8","text_snippet":"514,080","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-82a445ce-d484-439e-a8a6-430023143b3e","text_snippet":"515,172","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":514080,"prior_value":515172.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":1003915,"prior_period_value":1006047.0,"visual_current_value":1003915,"visual_prior_value":1006047.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","member_label":"2021-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-74cc73ff-b45f-42b4-bb86-ef412e09387a","text_snippet":"1,003,915","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-c0da8d93-7f7d-407b-85f8-a5d7f832840a","text_snippet":"1,006,047","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1003915,"prior_value":1006047.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":676164,"prior_period_value":677605.0,"visual_current_value":676164,"visual_prior_value":677605.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","member_label":"2021-3C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-ff9ff37e-3f73-40a4-b688-bd2f1d95c12f","text_snippet":"676,164","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-4518cfb1-4b2f-45bd-8452-dfa15e368e29","text_snippet":"677,605","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":676164,"prior_value":677605.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":852488,"prior_period_value":762030.0,"visual_current_value":852488,"visual_prior_value":762030.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","member_label":"2021-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-8f8dbc57-7597-4532-9eee-e7bf4e1774d0","text_snippet":"852,488","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-3e37e7c4-dbb1-4744-bcbb-06d44817cc4a","text_snippet":"762,030","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":852488,"prior_value":762030.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":867510,"prior_period_value":876486.0,"visual_current_value":867510,"visual_prior_value":876486.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","member_label":"2022-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-eb2e6e7a-9abc-4429-a066-3b99af788fda","text_snippet":"867,510","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-20be2e65-9064-42a2-825a-8d918d3f6e6c","text_snippet":"876,486","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":867510,"prior_value":876486.0},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":1446926,"prior_period_value":null,"visual_current_value":1446926,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","member_label":"2024-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-168461a1-3f8d-4f2b-b0a0-e23246496b44","text_snippet":"1,446,926","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1446926,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Fair Value Disclosure","current_period_value":624340,"prior_period_value":null,"visual_current_value":624340,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","member_label":"2024-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-f4e98b2b-b7f2-4816-a54b-2af7c26465b9","text_snippet":"624,340","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":624340,"prior_value":null},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":12705481,"prior_period_value":12319479.0,"visual_current_value":12705481,"visual_prior_value":12319479.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-28c29c69-2b25-4d33-a5e6-af37137347b0","text_snippet":"12,705,481","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-0d46108d-9736-4c60-9599-7c09222a64cf","text_snippet":"12,319,479","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":12705481,"prior_value":12319479.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":280000,"prior_period_value":160000.0,"visual_current_value":280000,"visual_prior_value":160000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-ba13ed02-43dc-4227-9d16-f5204843ea49","text_snippet":"280,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-daf1ea8f-d872-45fe-85ed-a2583ba0ea76","text_snippet":"160,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":280000,"prior_value":160000.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":1493362,"prior_period_value":1491506.0,"visual_current_value":1493362,"visual_prior_value":1491506.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesNineMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesNineMember","member_label":"2021 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-4bfb7643-87c4-4b1a-ab9b-9233c08079c0","text_snippet":"1,493,362","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-7cefe009-ff0e-4b0f-afb8-38a041d1fa2f","text_snippet":"1,491,506","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1493362,"prior_value":1491506.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":1495427,"prior_period_value":1492258.0,"visual_current_value":1495427,"visual_prior_value":1492258.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-4bc84f8f-b6ea-4992-9967-cb3317e9d7bf","text_snippet":"1,495,427","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-2baf1202-3ec6-4f2a-99b7-e238f379969a","text_snippet":"1,492,258","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1495427,"prior_value":1492258.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":2245303,"prior_period_value":2265228.0,"visual_current_value":2245303,"visual_prior_value":2265228.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-cd2f686d-17e7-4a49-8e1a-211893705625","text_snippet":"2,245,303","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-44bc0245-3fda-4ab3-91be-f27b0297bceb","text_snippet":"2,265,228","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2245303,"prior_value":2265228.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":749562,"prior_period_value":748050.0,"visual_current_value":749562,"visual_prior_value":748050.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","member_label":"2020-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-7dc0ea48-02ea-4c2d-a470-8afbd2301d93","text_snippet":"749,562","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-e147d222-0524-483a-816a-04ceb9735c85","text_snippet":"748,050","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":749562,"prior_value":748050.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":597928,"prior_period_value":597058.0,"visual_current_value":597928,"visual_prior_value":597058.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","member_label":"2020-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-442cce8c-dae6-438a-a02c-2f29358c57b2","text_snippet":"597,928","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-7913ab94-b356-4647-9880-32e3284fd8f9","text_snippet":"597,058","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":597928,"prior_value":597058.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":1162248,"prior_period_value":1159838.0,"visual_current_value":1162248,"visual_prior_value":1159838.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","member_label":"2021-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-0640df30-549f-4016-b9f4-b3d25bcf08e5","text_snippet":"1,162,248","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-5ffd3fb2-d62f-4b2f-b709-ad5cec8736e8","text_snippet":"1,159,838","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1162248,"prior_value":1159838.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":888946,"prior_period_value":888034.0,"visual_current_value":888946,"visual_prior_value":888034.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","member_label":"2021-3C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-aa53c8d2-9765-45ab-864e-eb7e1385756f","text_snippet":"888,946","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-77255fbc-ec4d-4d95-9859-6c2200df9d54","text_snippet":"888,034","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":888946,"prior_value":888034.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":892228,"prior_period_value":890457.0,"visual_current_value":892228,"visual_prior_value":890457.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","member_label":"2021-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-686bd855-0e94-43ab-afca-f3f3c7972028","text_snippet":"892,228","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-41e077d6-c6db-4fe0-b4d4-dfc9ec50b695","text_snippet":"890,457","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":892228,"prior_value":890457.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":844847,"prior_period_value":842829.0,"visual_current_value":844847,"visual_prior_value":842829.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","member_label":"2022-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-eacd41b6-0a81-41f0-94c7-da1bd35193ef","text_snippet":"844,847","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-60ca4ce9-4e9a-434a-bd45-24d6926feb82","text_snippet":"842,829","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":844847,"prior_value":842829.0},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":1439433,"prior_period_value":null,"visual_current_value":1439433,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","member_label":"2024-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-93277d8b-9616-4dee-96bc-d266be1657e3","text_snippet":"1,439,433","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1439433,"prior_value":null},{"tag":"us-gaap:LongTermDebt","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Debt","current_period_value":616197,"prior_period_value":null,"visual_current_value":616197,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","member_label":"2024-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-4d7bcd77-318d-46cf-867b-8b2511853860","text_snippet":"616,197","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":616197,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":280000,"prior_period_value":null,"visual_current_value":280000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-4a7f1ad0-ead7-4437-996c-90c2cb06d859","text_snippet":"280,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":280000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":2265500,"prior_period_value":null,"visual_current_value":2265500,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-3019621f-f7b0-4b33-88c8-3ea0d84edf96","text_snippet":"2,265,500","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":2265500,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":750000,"prior_period_value":null,"visual_current_value":750000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenOneCTowerSecuritiesMember","member_label":"2020-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-aeea7d5e-b99f-4cce-85c1-df860805a4c8","text_snippet":"750,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":750000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":600000,"prior_period_value":null,"visual_current_value":600000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","member_label":"2020-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-4252588c-349f-4224-a6db-bbc28b9c22d5","text_snippet":"600,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":600000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":1165000,"prior_period_value":null,"visual_current_value":1165000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","member_label":"2021-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-fcd6dd8c-a533-4ea9-a050-0e922fa3b201","text_snippet":"1,165,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1165000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":895000,"prior_period_value":null,"visual_current_value":895000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","member_label":"2021-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-fe24ed37-1d9b-491f-a245-2f089d5f1e68","text_snippet":"895,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":895000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":895000,"prior_period_value":null,"visual_current_value":895000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","member_label":"2021-3C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyOneHyphenThreeCTowerSecuritiesMember","char_anchor":"ct-nonFraction-26fde5c1-a4b6-4f54-948a-a4238834a0bd","text_snippet":"895,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":895000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":850000,"prior_period_value":null,"visual_current_value":850000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","member_label":"2022-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyTwoHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-e8e13a28-4bbd-4a78-a33a-eabf52d42081","text_snippet":"850,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":850000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":1450000,"prior_period_value":null,"visual_current_value":1450000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","member_label":"2024-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-9315663c-031c-4fcb-9626-b5fdd9f3220a","text_snippet":"1,450,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1450000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":620000,"prior_period_value":null,"visual_current_value":620000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","member_label":"2024-2C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourHyphenTwoCTowerSecuritiesMember","char_anchor":"ct-nonFraction-dd5fdeed-5ae1-4ce4-8f8f-c8db9512463d","text_snippet":"620,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":620000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":1500000,"prior_period_value":null,"visual_current_value":1500000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesSixMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesSixMember","member_label":"2020 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesSixMember","char_anchor":"ct-nonFraction-375750c7-0bb7-4d61-b7a2-2c60255c44fc","text_snippet":"1,500,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1500000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":1500000,"prior_period_value":null,"visual_current_value":1500000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:SeniorNotesNineMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:SeniorNotesNineMember","member_label":"2021 Senior Notes [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_SeniorNotesNineMember","char_anchor":"ct-nonFraction-8179c370-6e1d-45f2-a9dc-fc34d9064456","text_snippet":"1,500,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1500000,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":12770500,"prior_period_value":null,"visual_current_value":12770500,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-41288b7d-99ac-4792-8a55-4e088ce3a12c","text_snippet":"12,770,500","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":12770500,"prior_value":null},{"tag":"us-gaap:DebtInstrumentFaceAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|disclosuredebttermloanunderseniorcreditagreementnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosuredebttermloanunderseniorcreditagreementnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":1.0,"preferred_label_role":"positiveVerboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Debt Instrument, Face Amount","current_period_value":2.3,"prior_period_value":null,"visual_current_value":2.3,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember","char_anchor":"ct-nonFraction-f66e7e82-6e91-48ee-8f12-6b57d61bc5d3","text_snippet":"2.3","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"billions","current_value":2.3,"prior_value":null},{"tag":"us-gaap:LongTermDebtCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,3.0,2],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrent","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesCurrent","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Current Liabilities"},{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:LongTermDebt","weight":1.0,"order":2.0}],"calculation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","calculation_parent":"us-gaap:LongTermDebt","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Long-Term Debt, Current Maturities","current_period_value":772562,"prior_period_value":23000.0,"visual_current_value":772562,"visual_prior_value":23000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-fcdf7042-8f0b-4f75-a929-24e8538edc95","text_snippet":"772,562","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-bda2e7d7-7c83-4e7a-804b-76c1e211b8ae","text_snippet":"23,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":772562,"prior_value":23000.0},{"tag":"us-gaap:LongTermDebtNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesNoncurrentAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1,1.0,0],"section_concept":"us-gaap:LiabilitiesNoncurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesNoncurrent","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesNoncurrent","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Non-Current Liabilities"},{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:DebtInstrumentLineItems","order":6.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","parent":"us-gaap:LongTermDebt","weight":1.0,"order":1.0}],"calculation_role":"disclosuredebtscheduleofprincipalvaluesfairvaluesandcarryingvaluesofdebtdetails","calculation_parent":"us-gaap:LongTermDebt","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Long-Term Debt, Excluding Current Maturities","current_period_value":11932919,"prior_period_value":12296479.0,"visual_current_value":11932919,"visual_prior_value":12296479.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-e6b0ac81-22b2-4118-aec8-ca09d52d98df","text_snippet":"11,932,919","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-a691be44-a062-41f9-8dd9-9485dc24bd27","text_snippet":"12,296,479","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":11932919,"prior_value":12296479.0},{"tag":"us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtscheduleofrevolvingcreditfacilitykeytermsdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofrevolvingcreditfacilitykeytermsdetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Line of Credit Facility, Interest Rate at Period End","current_period_value":5.235,"prior_period_value":5.925,"visual_current_value":5.235,"visual_prior_value":5.925,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-c3d8e822-3684-4894-b1be-bb6e411fc0b7","text_snippet":"5.235","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-428847ad-faf9-4d80-8fab-050f45461c8c","text_snippet":"5.925","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"hundredths","current_value":5.235,"prior_value":5.925},{"tag":"us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtscheduleofrevolvingcreditfacilitykeytermsdetails","presentation_hierarchy":[{"role":"disclosuredebtscheduleofrevolvingcreditfacilitykeytermsdetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Line of Credit Facility, Unused Capacity, Commitment Fee Percentage","current_period_value":0.14,"prior_period_value":0.14,"visual_current_value":0.14,"visual_prior_value":0.14,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-8009cc1b-846b-4f03-8dca-1056a1a07547","text_snippet":"0.140","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-9fb7d428-0b2b-497d-973a-2dbfcfa25fbb","text_snippet":"0.140","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"hundredths","current_value":0.14,"prior_value":0.14},{"tag":"us-gaap:DerivativeBasisSpreadOnVariableRate","date_type":"Q","period_type":"instant","presentation_role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails|disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Derivative, Basis Spread on Variable Rate","current_period_value":175,"prior_period_value":null,"visual_current_value":175,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember|us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"},{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember","char_anchor":"ct-nonFraction-0afcff72-4ddd-46ed-93e6-12ea40399692","text_snippet":"175","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"10^-4","current_value":175,"prior_value":null},{"tag":"us-gaap:RepaymentsOfSecuredDebt","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,5.0,4],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":4.0,"section_label":"Financing Activities"},{"role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Secured Debt","current_period_value":1165000,"prior_period_value":null,"visual_current_value":-1165000,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-2eaccefd-a0e4-4f41-b7b8-d2079170874f","text_snippet":"1,165,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-1165000,"prior_value":null},{"tag":"us-gaap:RepaymentsOfSecuredDebt","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,5.0,4],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":4.0,"section_label":"Financing Activities"},{"role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Secured Debt","current_period_value":1165,"prior_period_value":null,"visual_current_value":-1165,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandNineteenHyphenOneCTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandNineteenHyphenOneCTowerSecuritiesMember","member_label":"2019-1C Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandNineteenHyphenOneCTowerSecuritiesMember","char_anchor":"ct-nonFraction-d0428d0f-1428-4db6-9dd9-3b800e29e580","text_snippet":"1,165.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":-1165,"prior_value":null},{"tag":"us-gaap:RepaymentsOfSecuredDebt","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails|statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,5.0,4],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":4.0,"section_label":"Financing Activities"},{"role":"disclosuredebtsecuredtowerrevenuesecuritiesnarrativedetails","parent":"us-gaap:DebtInstrumentLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Repayments of Secured Debt","current_period_value":61.4,"prior_period_value":null,"visual_current_value":-61.4,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandNineteenHyphenOneRTowerSecuritiesMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandNineteenHyphenOneRTowerSecuritiesMember","member_label":"2019-1R Tower Securities [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandNineteenHyphenOneRTowerSecuritiesMember","char_anchor":"ct-nonFraction-3019c685-ca0a-4b94-83cd-5cdcc7850dc5","text_snippet":"61.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":-61.4,"prior_value":null},{"tag":"us-gaap:ProceedsFromLinesOfCredit","date_type":"Q","period_type":"duration","presentation_role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","presentation_hierarchy":[{"role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Proceeds from Lines of Credit","current_period_value":295000,"prior_period_value":175000.0,"visual_current_value":295000,"visual_prior_value":175000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-b7b6ca8a-cde0-448a-a59d-97ae375fc1b2","text_snippet":"295,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-571bd028-d5cb-4bfa-8a6e-93d6d46ddc3e","text_snippet":"175,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":295000,"prior_value":175000.0},{"tag":"us-gaap:ProceedsFromLinesOfCredit","date_type":"YTD","period_type":"duration","presentation_role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","presentation_hierarchy":[{"role":"disclosuredebtsummaryofrevolvingcreditfacilityactivitydetails","parent":"us-gaap:LineOfCreditFacilityLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Proceeds from Lines of Credit","current_period_value":375000,"prior_period_value":370000.0,"visual_current_value":375000,"visual_prior_value":370000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:CreditFacilityAxis=us-gaap:RevolvingCreditFacilityMember","dimensions":[{"axis":"us-gaap:CreditFacilityAxis","axis_label":"Credit Facility","member":"us-gaap:RevolvingCreditFacilityMember","member_label":"Revolving Credit Facility"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-3cdcbe58-317d-439d-a149-44d602c8e993","text_snippet":"375,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember","char_anchor":"ct-nonFraction-aef5409c-afb2-44e7-9f9e-2e9f91eca77f","text_snippet":"370,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":375000,"prior_value":370000.0},{"tag":"us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosurederivativesandhedgingactivities","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivities","parent":"us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Derivative Instruments and Hedging Activities Disclosure [Text Block]","current_period_value":17,"prior_period_value":17.0,"visual_current_value":17,"visual_prior_value":17.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-95184df9-9d03-4ac3-bd4f-c3aa43ac02c7","text_snippet":"17.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-090d731a-b2a9-487d-9eaa-d1fcd13e75bb","text_snippet":"17.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":17,"prior_value":17.0},{"tag":"us-gaap:DerivativeFixedInterestRate","date_type":"Q","period_type":"instant","presentation_role":"disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Derivative, Fixed Interest Rate","current_period_value":5.165,"prior_period_value":null,"visual_current_value":5.165,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember|us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"},{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember","char_anchor":"ct-nonFraction-4fc0b2ce-9575-4693-b22f-d281c32d11ea","text_snippet":"5.165","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"hundredths","current_value":5.165,"prior_value":null},{"tag":"us-gaap:DerivativeLiabilityNotionalAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Derivative Liability, Notional Amount","current_period_value":2,"prior_period_value":null,"visual_current_value":2,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DebtInstrumentAxis=sbac:TwoThousandTwentyFourTermLoanMember|us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember","dimensions":[{"axis":"us-gaap:DebtInstrumentAxis","axis_label":"Debt Instrument","member":"sbac:TwoThousandTwentyFourTermLoanMember","member_label":"2024 Term Loan [Member]"},{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_DebtInstrumentAxis_sbac_TwoThousandTwentyFourTermLoanMember_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember","char_anchor":"ct-nonFraction-b65e47ac-54a8-441a-bc2e-3a581016b54a","text_snippet":"2.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":1,"scale":"billions","current_value":2,"prior_value":null},{"tag":"us-gaap:DerivativeLossOnDerivative","date_type":"YTD","period_type":"duration","presentation_role":"disclosurederivativesandhedgingactivitiesnarrativedetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesnarrativedetails","parent":"us-gaap:DerivativeLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Derivative, Loss on Derivative","current_period_value":1.5,"prior_period_value":9.1,"visual_current_value":1.5,"visual_prior_value":9.1,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember","dimensions":[{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember","char_anchor":"ct-nonFraction-3fbf6c6d-d87d-484e-983e-1c2eb4b21455","text_snippet":"1.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember","char_anchor":"ct-nonFraction-904ef7f3-1c23-467c-b48c-49ee6cd05fe2","text_snippet":"9.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":1.5,"prior_value":9.1},{"tag":"us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings","date_type":"Q","period_type":"duration","presentation_role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","parent":"us-gaap:DerivativeInstrumentsGainLossLineItems","order":2.0,"global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Derivative, Excluded Component, Gain (Loss), Recognized in Earnings","current_period_value":-684,"prior_period_value":null,"visual_current_value":-684,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember|us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","dimensions":[{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","member_label":"Accumulated Gain Loss Cash Flow Hedge Including Noncontrolling Interest"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","char_anchor":"ct-nonFraction-50beef15-de4a-4f0b-8cbd-02f5e61bf642","text_snippet":"684","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-684,"prior_value":null},{"tag":"us-gaap:DerivativeExcludedComponentGainLossRecognizedInEarnings","date_type":"YTD","period_type":"duration","presentation_role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","parent":"us-gaap:DerivativeInstrumentsGainLossLineItems","order":2.0,"global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Derivative, Excluded Component, Gain (Loss), Recognized in Earnings","current_period_value":-2052,"prior_period_value":null,"visual_current_value":-2052,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember|us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","dimensions":[{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","member_label":"Accumulated Gain Loss Cash Flow Hedge Including Noncontrolling Interest"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","char_anchor":"ct-nonFraction-b7f62760-6f9c-4b75-b56b-3b63e1f1e54a","text_snippet":"2,052","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-2052,"prior_value":null},{"tag":"us-gaap:InterestIncomeExpenseNonoperatingNet","date_type":"YTD","period_type":"duration","presentation_role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","parent":"us-gaap:DerivativeInstrumentsGainLossLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Interest Income (Expense), Nonoperating","current_period_value":7310,"prior_period_value":19737.0,"visual_current_value":7310,"visual_prior_value":19737.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DerivativeInstrumentRiskAxis=sbac:DerivativesNotDesignatedAsHedgesInterestRateSwapAgreementsMember|us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember|us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterestMember","dimensions":[{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"sbac:DerivativesNotDesignatedAsHedgesInterestRateSwapAgreementsMember","member_label":"Derivatives Not Designated as Hedges - Interest Rate Swap Agreements [Member]"},{"axis":"us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis","axis_label":"Reclassification Out Of Accumulated Other Comprehensive Income","member":"us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember","member_label":"Reclassification Out Of Accumulated Other Comprehensive Income"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterestMember","member_label":"Accumulated Other Comprehensive Income Loss Derivative Qualifying As Hedge Excluded Component Including Portion Attributable To Noncontrolling Interest"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DerivativeInstrumentRiskAxis_sbac_DerivativesNotDesignatedAsHedgesInterestRateSwapAgreementsMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterestMember","char_anchor":"ct-nonFraction-e24b510d-b180-4ecd-a818-40da4a9b150d","text_snippet":"7,310","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DerivativeInstrumentRiskAxis_sbac_DerivativesNotDesignatedAsHedgesInterestRateSwapAgreementsMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterestMember","char_anchor":"ct-nonFraction-e5fd6494-1ed3-4684-a9d6-409fb00b785e","text_snippet":"19,737","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":7310,"prior_value":19737.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax","date_type":"Q","period_type":"duration","presentation_role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","parent":"us-gaap:DerivativeInstrumentsGainLossLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax","current_period_value":-2209,"prior_period_value":-51613.0,"visual_current_value":-2209,"visual_prior_value":-51613.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember|us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","dimensions":[{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","member_label":"Accumulated Gain Loss Cash Flow Hedge Including Noncontrolling Interest"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","char_anchor":"ct-nonFraction-559eb643-0ff5-420b-8067-d5f5af3dbe10","text_snippet":"2,209","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","char_anchor":"ct-nonFraction-b24a73fc-aeaa-41aa-b832-b4a020f74da8","text_snippet":"51,613","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-2209,"prior_value":-51613.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax","date_type":"YTD","period_type":"duration","presentation_role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesscheduleofeffectofderivativesonconsolidatedstatementsofoperationsandconsolidatedstatementsofshareholdersdeficitdetails","parent":"us-gaap:DerivativeInstrumentsGainLossLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax","current_period_value":-54605,"prior_period_value":-62141.0,"visual_current_value":-54605,"visual_prior_value":-62141.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember|us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","dimensions":[{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","member_label":"Accumulated Gain Loss Cash Flow Hedge Including Noncontrolling Interest"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","char_anchor":"ct-nonFraction-c34bae47-71b6-4542-98e5-16e02523c821","text_snippet":"54,605","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember","char_anchor":"ct-nonFraction-5497a837-8dac-425b-8bf8-e058dde97d0a","text_snippet":"62,141","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-54605,"prior_value":-62141.0},{"tag":"us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral","date_type":"Q","period_type":"instant","presentation_role":"disclosurederivativesandhedgingactivitiesscheduleofeffectsofinterestrateswapsonconsolidatedbalancesheetsdetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesscheduleofeffectsofinterestrateswapsonconsolidatedbalancesheetsdetails","parent":"us-gaap:DerivativesFairValueLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral","current_period_value":8289,"prior_period_value":null,"visual_current_value":8289,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:BalanceSheetLocationAxis=us-gaap:OtherNoncurrentAssetsMember|us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember|us-gaap:HedgingDesignationAxis=us-gaap:DesignatedAsHedgingInstrumentMember","dimensions":[{"axis":"us-gaap:BalanceSheetLocationAxis","axis_label":"Balance Sheet Location","member":"us-gaap:OtherNoncurrentAssetsMember","member_label":"Other Noncurrent Assets"},{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"},{"axis":"us-gaap:HedgingDesignationAxis","axis_label":"Hedging Designation","member":"us-gaap:DesignatedAsHedgingInstrumentMember","member_label":"Designated As Hedging Instrument"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherNoncurrentAssetsMember_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember","char_anchor":"ct-nonFraction-e5d9ced1-0c1e-46fc-b40b-5a439fa6e4e0","text_snippet":"8,289","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":8289,"prior_value":null},{"tag":"us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral","date_type":"Q","period_type":"instant","presentation_role":"disclosurederivativesandhedgingactivitiesscheduleofeffectsofinterestrateswapsonconsolidatedbalancesheetsdetails","presentation_hierarchy":[{"role":"disclosurederivativesandhedgingactivitiesscheduleofeffectsofinterestrateswapsonconsolidatedbalancesheetsdetails","parent":"us-gaap:DerivativesFairValueLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,4.0,3,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral","current_period_value":12304,"prior_period_value":21975.0,"visual_current_value":12304,"visual_prior_value":21975.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:BalanceSheetLocationAxis=us-gaap:OtherNoncurrentLiabilitiesMember|us-gaap:DerivativeInstrumentRiskAxis=us-gaap:InterestRateSwapMember|us-gaap:HedgingDesignationAxis=us-gaap:DesignatedAsHedgingInstrumentMember","dimensions":[{"axis":"us-gaap:BalanceSheetLocationAxis","axis_label":"Balance Sheet Location","member":"us-gaap:OtherNoncurrentLiabilitiesMember","member_label":"Other Noncurrent Liabilities"},{"axis":"us-gaap:DerivativeInstrumentRiskAxis","axis_label":"Derivative Risk","member":"us-gaap:InterestRateSwapMember","member_label":"Interest Rate Swap"},{"axis":"us-gaap:HedgingDesignationAxis","axis_label":"Hedging Designation","member":"us-gaap:DesignatedAsHedgingInstrumentMember","member_label":"Designated As Hedging Instrument"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherNoncurrentLiabilitiesMember_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember","char_anchor":"ct-nonFraction-f12fe849-d72c-4947-a56f-e452931831d3","text_snippet":"12,304","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherNoncurrentLiabilitiesMember_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateSwapMember_us-gaap_HedgingDesignationAxis_us-gaap_DesignatedAsHedgingInstrumentMember","char_anchor":"ct-nonFraction-6c24e6a0-0a2d-4f5f-b599-2a653d895781","text_snippet":"21,975","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":12304,"prior_value":21975.0},{"tag":"us-gaap:EarningsPerShareTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershare","presentation_hierarchy":[{"role":"disclosureearningspershare","parent":"us-gaap:EarningsPerShareAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Earnings Per Share [Text Block]","current_period_value":15,"prior_period_value":15.0,"visual_current_value":15,"visual_prior_value":15.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-cd605006-aa57-406f-9ac4-bcf27695dae9","text_snippet":"15.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-2e822d10-fe68-42c7-9c87-37eb709c2dad","text_snippet":"15.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":15,"prior_value":15.0},{"tag":"us-gaap:IncomeLossFromContinuingOperationsPerBasicShare","date_type":"Q","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","presentation_hierarchy":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4,1.0,0],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Income (Loss) from Continuing Operations, Per Basic Share","current_period_value":2.21,"prior_period_value":2.41,"visual_current_value":2.21,"visual_prior_value":2.41,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f1005a34-1fef-47ec-b1fc-05ce4aa83564","text_snippet":"2.21","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-26d94ea6-8384-4041-a022-00d93eb644d8","text_snippet":"2.41","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":2.21,"prior_value":2.41},{"tag":"us-gaap:IncomeLossFromContinuingOperationsPerBasicShare","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","presentation_hierarchy":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4,1.0,0],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Income (Loss) from Continuing Operations, Per Basic Share","current_period_value":6.36,"prior_period_value":5.35,"visual_current_value":6.36,"visual_prior_value":5.35,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-100c961a-0b01-4365-82ee-4be936ee44f8","text_snippet":"6.36","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-ad124a17-fd74-4ca7-9b56-db5013526f06","text_snippet":"5.35","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":6.36,"prior_value":5.35},{"tag":"us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare","date_type":"Q","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","presentation_hierarchy":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4,2.0,1],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Income (Loss) from Continuing Operations, Per Diluted Share","current_period_value":2.2,"prior_period_value":2.4,"visual_current_value":2.2,"visual_prior_value":2.4,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-fd5b2d88-45ce-41ad-a41b-ac7c8e6347c0","text_snippet":"2.20","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-85885054-2ca3-41d6-a925-e44038fb48e8","text_snippet":"2.40","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":2.2,"prior_value":2.4},{"tag":"us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","presentation_hierarchy":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4,2.0,1],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Income (Loss) from Continuing Operations, Per Diluted Share","current_period_value":6.34,"prior_period_value":5.33,"visual_current_value":6.34,"visual_prior_value":5.33,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-72df9f6e-6c79-4903-9be2-4678439d2de9","text_snippet":"6.34","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-1890786e-b71e-4a0f-a510-7b0627f608b5","text_snippet":"5.33","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":6.34,"prior_value":5.33},{"tag":"us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements","date_type":"Q","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","presentation_hierarchy":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":"us-gaap:EarningsPerShareAbstract","calculation_relationships":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","weight":1.0,"order":2.0}],"calculation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","calculation_parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Earnings Per Share"}],"concept_label":"Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements","current_period_value":302,"prior_period_value":436.0,"visual_current_value":302,"visual_prior_value":436.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-24689bfa-548b-465e-913d-15796a26e6fa","text_snippet":"302","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-e31253d4-b192-4276-8196-34990c2dd906","text_snippet":"436","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":302,"prior_value":436.0},{"tag":"us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","presentation_hierarchy":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":"us-gaap:EarningsPerShareAbstract","calculation_relationships":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","weight":1.0,"order":2.0}],"calculation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","calculation_parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Earnings Per Share"}],"concept_label":"Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements","current_period_value":322,"prior_period_value":389.0,"visual_current_value":322,"visual_prior_value":389.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-3da96c99-209c-4539-b570-11223531cab3","text_snippet":"322","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-dd16777e-0ea4-4fff-a29a-fa2c9c60b68c","text_snippet":"389","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":322,"prior_value":389.0},{"tag":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","date_type":"Q","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:WeightedAverageNumberOfSharesOutstandingAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,11.0,10,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Weighted Average Number of Shares Outstanding, Diluted","current_period_value":107559,"prior_period_value":107922.0,"visual_current_value":107559,"visual_prior_value":107922.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-33fa99a4-fbeb-411c-ab25-530453fee966","text_snippet":"107,559","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-e19e3b17-09bc-458d-b7ed-e17e9bc1b1a0","text_snippet":"107,922","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":107559,"prior_value":107922.0},{"tag":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:WeightedAverageNumberOfSharesOutstandingAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,11.0,10,2.0,1],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Weighted Average Number of Shares Outstanding, Diluted","current_period_value":107831,"prior_period_value":108072.0,"visual_current_value":107831,"visual_prior_value":108072.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-603f1536-4657-47e0-8f1e-5472ca647088","text_snippet":"107,831","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-16ce739d-d74b-4757-9456-33c661b2eb79","text_snippet":"108,072","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":107831,"prior_value":108072.0},{"tag":"us-gaap:WeightedAverageNumberOfSharesOutstandingBasic","date_type":"Q","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:WeightedAverageNumberOfSharesOutstandingAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,11.0,10,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,2.0,1],"section_concept":"us-gaap:EarningsPerShareAbstract","calculation_relationships":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","weight":1.0,"order":1.0}],"calculation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","calculation_parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Earnings Per Share"}],"concept_label":"Weighted Average Number of Shares Outstanding, Basic","current_period_value":107257,"prior_period_value":107486.0,"visual_current_value":107257,"visual_prior_value":107486.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-13103807-360c-4b65-b05d-ef830f59c031","text_snippet":"107,257","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f2d9708a-ae7c-443b-97f1-d11ab3329860","text_snippet":"107,486","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":107257,"prior_value":107486.0},{"tag":"us-gaap:WeightedAverageNumberOfSharesOutstandingBasic","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:WeightedAverageNumberOfSharesOutstandingAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,11.0,10,1.0,0],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,2.0,1],"section_concept":"us-gaap:EarningsPerShareAbstract","calculation_relationships":[{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","weight":1.0,"order":1.0}],"calculation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","calculation_parent":"us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Earnings Per Share"}],"concept_label":"Weighted Average Number of Shares Outstanding, Basic","current_period_value":107509,"prior_period_value":107683.0,"visual_current_value":107509,"visual_prior_value":107683.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-e723c1d2-370b-46e9-801d-726945d2eac5","text_snippet":"107,509","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f60be088-ba89-4613-908e-066682320a2b","text_snippet":"107,683","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":107509,"prior_value":107683.0},{"tag":"us-gaap:NetIncomeLoss","date_type":"Q","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":9.0,"preferred_label_role":"totalLabel","global_sort_position":[0,9.0,8],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Net Income (Loss) Attributable to Parent","current_period_value":236816,"prior_period_value":258534.0,"visual_current_value":236816,"visual_prior_value":258534.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-2209d38a-8807-4553-938e-06aa320c3687","text_snippet":"236,816","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-7b21633c-5be7-4093-9921-c7f9d43ae1b1","text_snippet":"258,534","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":236816,"prior_value":258534.0},{"tag":"us-gaap:NetIncomeLoss","date_type":"Q","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":9.0,"preferred_label_role":"totalLabel","global_sort_position":[0,9.0,8],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Net Income (Loss) Attributable to Parent","current_period_value":236816,"prior_period_value":258534.0,"visual_current_value":236816,"visual_prior_value":258534.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:RetainedEarningsMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:RetainedEarningsMember","member_label":"Retained Earnings"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-ad898510-32c3-4d01-9dd9-2b30b305a2a9","text_snippet":"236,816","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-fb52558e-0023-43af-bb36-cb24d453944c","text_snippet":"258,534","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":236816,"prior_value":258534.0},{"tag":"us-gaap:NetIncomeLoss","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":9.0,"preferred_label_role":"totalLabel","global_sort_position":[0,9.0,8],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Net Income (Loss) Attributable to Parent","current_period_value":683342,"prior_period_value":575906.0,"visual_current_value":683342,"visual_prior_value":575906.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-161f5297-5c47-4b45-bea0-0e237586165a","text_snippet":"683,342","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-3882c07b-e4b5-4a45-bb23-e52afe7ca12c","text_snippet":"575,906","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":683342,"prior_value":575906.0},{"tag":"us-gaap:NetIncomeLoss","date_type":"YTD","period_type":"duration","presentation_role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails|statementconsolidatedstatementsofoperations|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":9.0,"preferred_label_role":"totalLabel","global_sort_position":[0,9.0,8],"section_concept":null,"section_label":null},{"role":"disclosureearningspershareweightedaveragesharesofcommonstockoutstandingusedincalculationofbasicanddilutedearningspersharedetails","parent":"us-gaap:EarningsPerShareAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0],"section_concept":"us-gaap:EarningsPerShareAbstract","section_label":"Earnings Per Share"}],"concept_label":"Net Income (Loss) Attributable to Parent","current_period_value":683342,"prior_period_value":575906.0,"visual_current_value":683342,"visual_prior_value":575906.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:RetainedEarningsMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:RetainedEarningsMember","member_label":"Retained Earnings"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-509ad33a-df2e-4e5c-a8cd-0bfb25fc8cbc","text_snippet":"683,342","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-781ee456-02a0-4c63-8594-8136cfe5bf8c","text_snippet":"575,906","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":683342,"prior_value":575906.0},{"tag":"us-gaap:FairValueDisclosuresTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurements","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurements","parent":"us-gaap:FairValueDisclosuresAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Fair Value Disclosures [Text Block]","current_period_value":2,"prior_period_value":2.0,"visual_current_value":2,"visual_prior_value":2.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-db34263b-3638-4b75-8d15-028981ac0234","text_snippet":"2.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-e1f6cdde-63ad-4626-ad43-adc844a158d7","text_snippet":"2.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":2,"prior_value":2.0},{"tag":"us-gaap:AlternativeInvestmentMeasurementInput","date_type":"Q","period_type":"instant","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,5.0,4,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Alternative Investment, Measurement Input","current_period_value":8,"prior_period_value":8.8,"visual_current_value":8,"visual_prior_value":8.8,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:RangeAxis=srt:MaximumMember|us-gaap:MeasurementInputTypeAxis=us-gaap:MeasurementInputDiscountRateMember|us-gaap:ValuationTechniqueAxis=us-gaap:ValuationTechniqueDiscountedCashFlowMember","dimensions":[{"axis":"srt:RangeAxis","axis_label":"Range","member":"srt:MaximumMember","member_label":"Maximum"},{"axis":"us-gaap:MeasurementInputTypeAxis","axis_label":"Measurement Input Type","member":"us-gaap:MeasurementInputDiscountRateMember","member_label":"Measurement Input Discount Rate"},{"axis":"us-gaap:ValuationTechniqueAxis","axis_label":"Valuation Technique","member":"us-gaap:ValuationTechniqueDiscountedCashFlowMember","member_label":"Valuation Technique Discounted Cash Flow"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_srt_RangeAxis_srt_MaximumMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember_us-gaap_ValuationTechniqueAxis_us-gaap_ValuationTechniqueDiscountedCashFlowMember","char_anchor":"ct-nonFraction-be417f95-5866-476e-9825-521c82f0ae9e","text_snippet":"8.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_srt_RangeAxis_srt_MaximumMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember_us-gaap_ValuationTechniqueAxis_us-gaap_ValuationTechniqueDiscountedCashFlowMember","char_anchor":"ct-nonFraction-90e5b461-4968-4374-a37c-0bab080ba33f","text_snippet":"8.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"hundredths","current_value":8,"prior_value":8.8},{"tag":"us-gaap:AlternativeInvestmentMeasurementInput","date_type":"Q","period_type":"instant","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,5.0,4,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Alternative Investment, Measurement Input","current_period_value":7.4,"prior_period_value":7.8,"visual_current_value":7.4,"visual_prior_value":7.8,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:RangeAxis=srt:MinimumMember|us-gaap:MeasurementInputTypeAxis=us-gaap:MeasurementInputDiscountRateMember|us-gaap:ValuationTechniqueAxis=us-gaap:ValuationTechniqueDiscountedCashFlowMember","dimensions":[{"axis":"srt:RangeAxis","axis_label":"Range","member":"srt:MinimumMember","member_label":"Minimum"},{"axis":"us-gaap:MeasurementInputTypeAxis","axis_label":"Measurement Input Type","member":"us-gaap:MeasurementInputDiscountRateMember","member_label":"Measurement Input Discount Rate"},{"axis":"us-gaap:ValuationTechniqueAxis","axis_label":"Valuation Technique","member":"us-gaap:ValuationTechniqueDiscountedCashFlowMember","member_label":"Valuation Technique Discounted Cash Flow"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_srt_RangeAxis_srt_MinimumMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember_us-gaap_ValuationTechniqueAxis_us-gaap_ValuationTechniqueDiscountedCashFlowMember","char_anchor":"ct-nonFraction-a38d0a72-6d8b-4483-8609-3d9211f9007c","text_snippet":"7.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_srt_RangeAxis_srt_MinimumMember_us-gaap_MeasurementInputTypeAxis_us-gaap_MeasurementInputDiscountRateMember_us-gaap_ValuationTechniqueAxis_us-gaap_ValuationTechniqueDiscountedCashFlowMember","char_anchor":"ct-nonFraction-069beaa1-16d1-40ba-9876-baae54d00c12","text_snippet":"7.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"hundredths","current_value":7.4,"prior_value":7.8},{"tag":"us-gaap:PaymentsToAcquireShortTermInvestments","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Short-Term Investments","current_period_value":656.2,"prior_period_value":1193.8,"visual_current_value":656.2,"visual_prior_value":1193.8,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-3724bdd8-338f-45d0-87aa-a0a829285b41","text_snippet":"656.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-5f016db8-ce17-4adf-838d-f607632f1a9a","text_snippet":"1,193.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"millions","current_value":656.2,"prior_value":1193.8},{"tag":"us-gaap:PaymentsToAcquireShortTermInvestments","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Short-Term Investments","current_period_value":656.2,"prior_period_value":1.2,"visual_current_value":656.2,"visual_prior_value":1.2,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-3724bdd8-338f-45d0-87aa-a0a829285b41","text_snippet":"656.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f8550ac1-cb74-47b9-94b3-9823046b8f02","text_snippet":"1.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"millions","current_value":656.2,"prior_value":1.2},{"tag":"us-gaap:ProceedsFromSaleOfShortTermInvestments","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Proceeds from Sale of Short-Term Investments","current_period_value":909.9,"prior_period_value":1178.6,"visual_current_value":909.9,"visual_prior_value":1178.6,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8c267bd5-ddad-4cc0-8d33-7d6fb1921056","text_snippet":"909.9","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-2afab7e9-b6ca-4b3d-959c-11671288c78f","text_snippet":"1,178.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":909.9,"prior_value":1178.6},{"tag":"us-gaap:LongTermInvestments","date_type":"Q","period_type":"instant","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails|disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":6.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Investments","current_period_value":13.5,"prior_period_value":26.6,"visual_current_value":13.5,"visual_prior_value":26.6,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-31b2804f-d6db-4123-8c45-8c36eb2120d9","text_snippet":"13.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-ceca6774-2bbe-496e-a2ab-73a1198e798f","text_snippet":"26.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":13.5,"prior_value":26.6},{"tag":"us-gaap:LongTermInvestments","date_type":"Q","period_type":"instant","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails|disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":6.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Term Investments","current_period_value":13536,"prior_period_value":26587.0,"visual_current_value":13536,"visual_prior_value":26587.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-53ca7ab9-3313-465e-85d6-c4c34e727855","text_snippet":"13,536","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-d1bb28aa-9c8a-4f60-bad1-48f1aa94052b","text_snippet":"26,587","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":13536,"prior_value":26587.0},{"tag":"us-gaap:ShortTermInvestments","date_type":"Q","period_type":"instant","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails|disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":1.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":1.0,"section_label":null},{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Short-Term Investments","current_period_value":0.8,"prior_period_value":16.2,"visual_current_value":0.8,"visual_prior_value":16.2,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-1fc57480-950a-4073-9d13-28b43435b542","text_snippet":"0.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-b4ea683b-1fb8-40e8-a90c-f0c56b5293c0","text_snippet":"16.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"millions","current_value":0.8,"prior_value":16.2},{"tag":"us-gaap:ShortTermInvestments","date_type":"Q","period_type":"instant","presentation_role":"disclosurefairvaluemeasurementsnarrativedetails|disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":1.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":1.0,"section_label":null},{"role":"disclosurefairvaluemeasurementsnarrativedetails","parent":"us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Short-Term Investments","current_period_value":761,"prior_period_value":16245.0,"visual_current_value":761,"visual_prior_value":16245.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-b586d01e-b39e-444a-9e93-ada513014b4e","text_snippet":"761","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-9310d01b-9ecf-46a7-9a51-a4f466404239","text_snippet":"16,245","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":761,"prior_value":16245.0},{"tag":"sbac:ImpairmentOfLongLivedAssetsHeldForUseAdditions","date_type":"Q","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"sbac:AssetImpairmentAndDecommissionCosts","weight":1.0,"order":1.0}],"calculation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","calculation_parent":"sbac:AssetImpairmentAndDecommissionCosts","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Impairment of Long-Lived Assets Held-for-use, Additions","current_period_value":20013,"prior_period_value":8920.0,"visual_current_value":20013,"visual_prior_value":8920.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-48e4dc32-7f1d-44ba-8ff6-671132113878","text_snippet":"20,013","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-59d19041-5219-4549-b5f1-b25f4f7df4b0","text_snippet":"8,920","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":20013,"prior_value":8920.0},{"tag":"sbac:ImpairmentOfLongLivedAssetsHeldForUseAdditions","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"sbac:AssetImpairmentAndDecommissionCosts","weight":1.0,"order":1.0}],"calculation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","calculation_parent":"sbac:AssetImpairmentAndDecommissionCosts","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Impairment of Long-Lived Assets Held-for-use, Additions","current_period_value":91054,"prior_period_value":61964.0,"visual_current_value":91054,"visual_prior_value":61964.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-0e5b6afc-f9c7-4c8e-8cca-05e456c8d1fc","text_snippet":"91,054","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-c3047ce4-8674-4988-a7b6-258891678b22","text_snippet":"61,964","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":91054,"prior_value":61964.0},{"tag":"sbac:OtherAssetImpairmentChargesIncludingThirdParyDecommissionCosts","date_type":"Q","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"sbac:AssetImpairmentAndDecommissionCosts","weight":1.0,"order":3.0}],"calculation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","calculation_parent":"sbac:AssetImpairmentAndDecommissionCosts","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Other (including tower and equipment decommission costs)","current_period_value":123,"prior_period_value":3052.0,"visual_current_value":123,"visual_prior_value":3052.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-1818619a-1d60-46b6-8a42-db40efe9d109","text_snippet":"123","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-cc5305a6-e780-41d3-a573-840cd436c935","text_snippet":"3,052","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":123,"prior_value":3052.0},{"tag":"sbac:OtherAssetImpairmentChargesIncludingThirdParyDecommissionCosts","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"sbac:AssetImpairmentAndDecommissionCosts","weight":1.0,"order":3.0}],"calculation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","calculation_parent":"sbac:AssetImpairmentAndDecommissionCosts","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Other (including tower and equipment decommission costs)","current_period_value":5419,"prior_period_value":13722.0,"visual_current_value":5419,"visual_prior_value":13722.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-e820f718-efbe-4678-9c34-04d4c60435c6","text_snippet":"5,419","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-7bfa2488-964b-47a4-814e-e296dce1eec0","text_snippet":"13,722","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":5419,"prior_value":13722.0},{"tag":"us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf","date_type":"Q","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"sbac:AssetImpairmentAndDecommissionCosts","weight":1.0,"order":2.0}],"calculation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","calculation_parent":"sbac:AssetImpairmentAndDecommissionCosts","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Impairment of Long-Lived Assets to be Disposed of","current_period_value":186,"prior_period_value":698.0,"visual_current_value":186,"visual_prior_value":698.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-dc92281b-e532-47b0-86f4-e8434e63b94f","text_snippet":"186","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-60f1dad2-2fb7-4b7a-bad2-9903228147a8","text_snippet":"698","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":186,"prior_value":698.0},{"tag":"us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","presentation_hierarchy":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"sbac:AssetImpairmentAndDecommissionCosts","weight":1.0,"order":2.0}],"calculation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","calculation_parent":"sbac:AssetImpairmentAndDecommissionCosts","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Impairment of Long-Lived Assets to be Disposed of","current_period_value":6105,"prior_period_value":12242.0,"visual_current_value":6105,"visual_prior_value":12242.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-5a5fd36b-e932-4c87-9945-aa73675a7f7f","text_snippet":"6,105","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9b731a47-4ed1-495f-ac86-1327ff289919","text_snippet":"12,242","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":6105,"prior_value":12242.0},{"tag":"sbac:AssetImpairmentAndDecommissionCosts","date_type":"Q","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":4.0,"section_label":null},{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Asset impairment and decommission costs","current_period_value":20322,"prior_period_value":12670.0,"visual_current_value":20322,"visual_prior_value":12670.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-df3d1ad2-be63-48be-89b3-50c0418ac7e8","text_snippet":"20,322","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-499ac5c4-8ba6-4cf2-bde5-41d7d2057c60","text_snippet":"12,670","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":20322,"prior_value":12670.0},{"tag":"sbac:AssetImpairmentAndDecommissionCosts","date_type":"Q","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":4.0,"section_label":null},{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Asset impairment and decommission costs","current_period_value":18182,"prior_period_value":1337.0,"visual_current_value":18182,"visual_prior_value":1337.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-8beb609f-0df8-4bff-88a5-4cbdc81283e2","text_snippet":"18,182","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-8e38b4a9-6f1e-4e71-afd0-57a2c7e82f64","text_snippet":"1,337","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":18182,"prior_value":1337.0},{"tag":"sbac:AssetImpairmentAndDecommissionCosts","date_type":"Q","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":4.0,"section_label":null},{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Asset impairment and decommission costs","current_period_value":2140,"prior_period_value":10989.0,"visual_current_value":2140,"visual_prior_value":10989.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-64fe16d4-b49f-4aa9-a8e8-864605f893fd","text_snippet":"2,140","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-febb4b7b-85a5-46d5-8af3-e1f6fc852807","text_snippet":"10,989","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2140,"prior_value":10989.0},{"tag":"sbac:AssetImpairmentAndDecommissionCosts","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":4.0,"section_label":null},{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Asset impairment and decommission costs","current_period_value":102578,"prior_period_value":87928.0,"visual_current_value":102578,"visual_prior_value":87928.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-a80b571a-552a-4649-99dc-fb84233e2bd4","text_snippet":"102,578","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-91425f94-8d4b-4841-81aa-bd9000dad370","text_snippet":"87,928","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":102578,"prior_value":87928.0},{"tag":"sbac:AssetImpairmentAndDecommissionCosts","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":4.0,"section_label":null},{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Asset impairment and decommission costs","current_period_value":53322,"prior_period_value":45075.0,"visual_current_value":53322,"visual_prior_value":45075.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-13690d52-3132-4a43-b32a-9f6763651c0f","text_snippet":"53,322","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-40e1e7c2-88f4-43c7-87bd-fbcbe9ca0b80","text_snippet":"45,075","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":53322,"prior_value":45075.0},{"tag":"sbac:AssetImpairmentAndDecommissionCosts","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":4.0,"section_label":null},{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Asset impairment and decommission costs","current_period_value":48546,"prior_period_value":42086.0,"visual_current_value":48546,"visual_prior_value":42086.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-1f67b034-0a89-46c7-943b-db88cfd9c360","text_snippet":"48,546","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-ab8b4395-9707-461f-a59c-1d82fb21a95b","text_snippet":"42,086","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":48546,"prior_value":42086.0},{"tag":"sbac:AssetImpairmentAndDecommissionCosts","date_type":"YTD","period_type":"duration","presentation_role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails|disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":4.0,"section_label":null},{"role":"disclosurefairvaluemeasurementssummaryofassetimpairmentanddecommissioncostsdetails","parent":"us-gaap:FairValueDisclosuresAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Asset impairment and decommission costs","current_period_value":710,"prior_period_value":767.0,"visual_current_value":710,"visual_prior_value":767.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-1a9c4d4f-ef0a-44d4-bcbf-484732085d63","text_snippet":"710","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-58b2672c-6101-457c-b002-ec65130dd971","text_snippet":"767","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":710,"prior_value":767.0},{"tag":"us-gaap:IncomeTaxDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosureincometaxes","presentation_hierarchy":[{"role":"disclosureincometaxes","parent":"us-gaap:IncomeTaxDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Income Tax Disclosure [Text Block]","current_period_value":13,"prior_period_value":13.0,"visual_current_value":13,"visual_prior_value":13.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-8a004670-46f0-43da-a4cb-f210597edef7","text_snippet":"13.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-2e7128a8-b269-4d05-b3f5-8ac2b165fe33","text_snippet":"13.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":13,"prior_value":13.0},{"tag":"us-gaap:IntangibleAssetsDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosureintangibleassetsnet","presentation_hierarchy":[{"role":"disclosureintangibleassetsnet","parent":"us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Intangible Assets Disclosure [Text Block]","current_period_value":8,"prior_period_value":8.0,"visual_current_value":8,"visual_prior_value":8.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-914b9c22-d7ac-45f1-96be-7c7564eb972b","text_snippet":"8.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-afd0140f-f148-4eae-b4ae-34b5bb2e04be","text_snippet":"8.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":8,"prior_value":8.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsNet","weight":-1.0,"order":2.0}],"calculation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","calculation_parent":"us-gaap:FiniteLivedIntangibleAssetsNet","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Accumulated Amortization","current_period_value":4792209,"prior_period_value":4721447.0,"visual_current_value":-4792209,"visual_prior_value":-4721447.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-6ed874ef-b6c3-4632-bdc4-42ecffd6ef61","text_snippet":"4,792,209","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-95c3cf54-3606-44ec-8655-8cdbeb16dc34","text_snippet":"4,721,447","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-4792209,"prior_value":-4721447.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsNet","weight":-1.0,"order":2.0}],"calculation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","calculation_parent":"us-gaap:FiniteLivedIntangibleAssetsNet","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Accumulated Amortization","current_period_value":3430160,"prior_period_value":3382530.0,"visual_current_value":-3430160,"visual_prior_value":-3382530.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis=sbac:CurrentContractIntangiblesMember","dimensions":[{"axis":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis","axis_label":"Finite Lived Intangible Assets By Major Class","member":"sbac:CurrentContractIntangiblesMember","member_label":"Current Contract Intangibles [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_CurrentContractIntangiblesMember","char_anchor":"ct-nonFraction-e10b052a-529c-4aa3-a1a4-e42c7dc342ca","text_snippet":"3,430,160","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_CurrentContractIntangiblesMember","char_anchor":"ct-nonFraction-730a9d48-0b56-405f-91b6-ceaf58d70cea","text_snippet":"3,382,530","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-3430160,"prior_value":-3382530.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsNet","weight":-1.0,"order":2.0}],"calculation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","calculation_parent":"us-gaap:FiniteLivedIntangibleAssetsNet","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Accumulated Amortization","current_period_value":1362049,"prior_period_value":1338917.0,"visual_current_value":-1362049,"visual_prior_value":-1338917.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis=sbac:NetworkLocationIntangiblesMember","dimensions":[{"axis":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis","axis_label":"Finite Lived Intangible Assets By Major Class","member":"sbac:NetworkLocationIntangiblesMember","member_label":"Network Location Intangibles [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_NetworkLocationIntangiblesMember","char_anchor":"ct-nonFraction-b94a7885-3321-4cb5-a9f1-cf3e7340ed11","text_snippet":"1,362,049","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_NetworkLocationIntangiblesMember","char_anchor":"ct-nonFraction-77ab8ec5-83f0-4682-85f2-50ef258fe3b2","text_snippet":"1,338,917","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-1362049,"prior_value":-1338917.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsGross","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsNet","weight":1.0,"order":1.0}],"calculation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","calculation_parent":"us-gaap:FiniteLivedIntangibleAssetsNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Gross","current_period_value":7517254,"prior_period_value":7213807.0,"visual_current_value":7517254,"visual_prior_value":7213807.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-4819edd8-90bc-4216-86f7-bf4e1b46cfc8","text_snippet":"7,517,254","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-2bc11415-8feb-45d2-95cc-37731598d2c9","text_snippet":"7,213,807","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":7517254,"prior_value":7213807.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsGross","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsNet","weight":1.0,"order":1.0}],"calculation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","calculation_parent":"us-gaap:FiniteLivedIntangibleAssetsNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Gross","current_period_value":5516275,"prior_period_value":5293814.0,"visual_current_value":5516275,"visual_prior_value":5293814.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis=sbac:CurrentContractIntangiblesMember","dimensions":[{"axis":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis","axis_label":"Finite Lived Intangible Assets By Major Class","member":"sbac:CurrentContractIntangiblesMember","member_label":"Current Contract Intangibles [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_CurrentContractIntangiblesMember","char_anchor":"ct-nonFraction-3b8ad147-8edc-474e-a18a-64791eab086c","text_snippet":"5,516,275","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_CurrentContractIntangiblesMember","char_anchor":"ct-nonFraction-428c6ba8-ad9e-41a1-9f7b-4e6c78132e4a","text_snippet":"5,293,814","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":5516275,"prior_value":5293814.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsGross","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsNet","weight":1.0,"order":1.0}],"calculation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","calculation_parent":"us-gaap:FiniteLivedIntangibleAssetsNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Gross","current_period_value":2000979,"prior_period_value":1919993.0,"visual_current_value":2000979,"visual_prior_value":1919993.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis=sbac:NetworkLocationIntangiblesMember","dimensions":[{"axis":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis","axis_label":"Finite Lived Intangible Assets By Major Class","member":"sbac:NetworkLocationIntangiblesMember","member_label":"Network Location Intangibles [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_NetworkLocationIntangiblesMember","char_anchor":"ct-nonFraction-c51924b5-7a3a-49cc-9857-093fb51a8056","text_snippet":"2,000,979","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_NetworkLocationIntangiblesMember","char_anchor":"ct-nonFraction-4c7b701e-bf79-4ec1-94b8-9e3ca8253321","text_snippet":"1,919,993","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2000979,"prior_value":1919993.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":3.0,"section_label":null},{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Net","current_period_value":2725045,"prior_period_value":2492360.0,"visual_current_value":2725045,"visual_prior_value":2492360.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-70f38de8-7ee2-4794-bec9-f300f32d51ba","text_snippet":"2,725,045","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-69078335-7cbe-4590-83c8-8e64b12aa463","text_snippet":"2,492,360","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2725045,"prior_value":2492360.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":3.0,"section_label":null},{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Net","current_period_value":2086115,"prior_period_value":1911284.0,"visual_current_value":2086115,"visual_prior_value":1911284.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis=sbac:CurrentContractIntangiblesMember","dimensions":[{"axis":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis","axis_label":"Finite Lived Intangible Assets By Major Class","member":"sbac:CurrentContractIntangiblesMember","member_label":"Current Contract Intangibles [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_CurrentContractIntangiblesMember","char_anchor":"ct-nonFraction-922cf80d-ca87-466c-9a14-8e369eebaf9c","text_snippet":"2,086,115","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_CurrentContractIntangiblesMember","char_anchor":"ct-nonFraction-dd4f2f52-ee60-4f53-a8e1-2403807883ac","text_snippet":"1,911,284","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2086115,"prior_value":1911284.0},{"tag":"us-gaap:FiniteLivedIntangibleAssetsNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":3.0,"section_label":null},{"role":"disclosureintangibleassetsnetgrossandnetcarryingamountsforeachmajorclassofintangibleassetsdetails","parent":"us-gaap:FiniteLivedIntangibleAssetsLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Finite-Lived Intangible Assets, Net","current_period_value":638930,"prior_period_value":581076.0,"visual_current_value":638930,"visual_prior_value":581076.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis=sbac:NetworkLocationIntangiblesMember","dimensions":[{"axis":"us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis","axis_label":"Finite Lived Intangible Assets By Major Class","member":"sbac:NetworkLocationIntangiblesMember","member_label":"Network Location Intangibles [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_NetworkLocationIntangiblesMember","char_anchor":"ct-nonFraction-199c31af-15ae-491e-8e9d-14d951d00856","text_snippet":"638,930","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_sbac_NetworkLocationIntangiblesMember","char_anchor":"ct-nonFraction-17cfb771-af29-4c1b-b06c-fa2cf944819d","text_snippet":"581,076","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":638930,"prior_value":581076.0},{"tag":"us-gaap:AmortizationOfIntangibleAssets","date_type":"Q","period_type":"duration","presentation_role":"disclosureintangibleassetsnetnarrativedetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetnarrativedetails","parent":"us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Amortization of Intangible Assets","current_period_value":29.6,"prior_period_value":26.4,"visual_current_value":29.6,"visual_prior_value":26.4,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-96db452c-42a4-4445-bc21-235a222071aa","text_snippet":"29.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-86ea46c3-2732-4a91-8aa9-a738257decf8","text_snippet":"26.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":29.6,"prior_value":26.4},{"tag":"us-gaap:AmortizationOfIntangibleAssets","date_type":"YTD","period_type":"duration","presentation_role":"disclosureintangibleassetsnetnarrativedetails","presentation_hierarchy":[{"role":"disclosureintangibleassetsnetnarrativedetails","parent":"us-gaap:GoodwillAndIntangibleAssetsDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Amortization of Intangible Assets","current_period_value":83.5,"prior_period_value":79.8,"visual_current_value":83.5,"visual_prior_value":79.8,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-4c8894b8-e173-40a1-acd0-5f59152fa20c","text_snippet":"83.5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-1899c51d-a501-4c07-a8f2-cb4e6178e083","text_snippet":"79.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":83.5,"prior_value":79.8},{"tag":"sbac:PrepaidAndOtherAssetsDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassets","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassets","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Prepaid Expenses and Other Current Assets and Other Assets","current_period_value":5,"prior_period_value":5.0,"visual_current_value":5,"visual_prior_value":5.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-8758f10f-80e2-479e-a141-eaab63d59ec5","text_snippet":"5.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-fbd9cc15-6227-4635-90c5-9ae29e74a4ed","text_snippet":"5.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":5,"prior_value":5.0},{"tag":"us-gaap:ContractWithCustomerAssetNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":4.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":4.0,"section_label":null}],"concept_label":"Contract with Customer, Asset, after Allowance for Credit Loss","current_period_value":9652,"prior_period_value":8690.0,"visual_current_value":9652,"visual_prior_value":8690.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-a2251a2a-7f81-415e-a19d-0646a3da8cd2","text_snippet":"9,652","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-098a8413-9ac5-4f6c-9d4b-4d6e87c5c1a3","text_snippet":"8,690","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":9652,"prior_value":8690.0},{"tag":"us-gaap:DeferredRentReceivablesNetNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":1.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Deferred Rent Receivables, Net, Noncurrent","current_period_value":422309,"prior_period_value":420783.0,"visual_current_value":422309,"visual_prior_value":420783.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-3031ac95-6bfe-4045-b9dd-97da57b675db","text_snippet":"422,309","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-964c31e7-27e5-4503-9cf8-d758aeeb533d","text_snippet":"420,783","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":422309,"prior_value":420783.0},{"tag":"us-gaap:DeferredTaxAssetsNet","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":5.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Deferred Tax Assets, Net of Valuation Allowance","current_period_value":42711,"prior_period_value":null,"visual_current_value":42711,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-89628d9d-3481-4e1e-840d-aa11c803d014","text_snippet":"42,711","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":42711,"prior_value":null},{"tag":"us-gaap:DerivativeAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":2.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Derivative Asset","current_period_value":8289,"prior_period_value":44934.0,"visual_current_value":8289,"visual_prior_value":44934.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-224f8aa5-24db-446a-8926-bdc495b2d7f4","text_snippet":"8,289","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-15624844-b94a-4016-b1ed-2b19d6cc616a","text_snippet":"44,934","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":8289,"prior_value":44934.0},{"tag":"us-gaap:NotesReceivableGross","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":3.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Financing Receivable, before Allowance for Credit Loss","current_period_value":55311,"prior_period_value":164775.0,"visual_current_value":55311,"visual_prior_value":164775.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-6bf40029-03d8-41c3-9802-1de0df468bef","text_snippet":"55,311","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-b612ff92-5371-4d63-be5a-09501bbc94d5","text_snippet":"164,775","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":55311,"prior_value":164775.0},{"tag":"us-gaap:OtherAssetsMiscellaneousNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,8.0,7],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"us-gaap:OtherAssetsNoncurrent","weight":1.0,"order":7.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","calculation_parent":"us-gaap:OtherAssetsNoncurrent","calculation_weight":1.0,"calculation_order":7.0,"section_label":null}],"concept_label":"Other Assets, Miscellaneous, Noncurrent","current_period_value":90254,"prior_period_value":47523.0,"visual_current_value":90254,"visual_prior_value":47523.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-0821ba5a-17f0-452d-a0d7-31a21a4c758b","text_snippet":"90,254","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-e27d5352-abd1-48c1-9fe2-6a247c8afcbb","text_snippet":"47,523","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":90254,"prior_value":47523.0},{"tag":"us-gaap:NotesAndLoansReceivableGrossCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails|disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":3.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":3.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":3.0,"section_label":null},{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Financing Receivable, before Allowance for Credit Loss, Current","current_period_value":7072,"prior_period_value":null,"visual_current_value":7072,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-314b8885-ba0f-4390-8e10-f8375934ee5b","text_snippet":"7,072","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":7072,"prior_value":null},{"tag":"us-gaap:OtherAssetsNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofotherassetsdetails","parent":"sbac:OtherAssetsNoncurrentLineItems","order":9.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Other Assets, Noncurrent","current_period_value":642062,"prior_period_value":772944.0,"visual_current_value":642062,"visual_prior_value":772944.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-5bf4715c-bb33-4e76-9b8b-1844368a951e","text_snippet":"642,062","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-01197df4-a136-4038-ac44-119a9c6616ac","text_snippet":"772,944","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":642062,"prior_value":772944.0},{"tag":"sbac:PrepaidRealEstateTaxes","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":5.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Prepaid real estate taxes","current_period_value":5259,"prior_period_value":5099.0,"visual_current_value":5259,"visual_prior_value":5099.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-58b07729-6ecb-4329-a9ee-a31a6269a0ce","text_snippet":"5,259","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-317828dc-a287-4c6a-aa3a-a884dda4a81e","text_snippet":"5,099","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":5259,"prior_value":5099.0},{"tag":"sbac:PrepaidRentCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,8.0,7],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":4.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":4.0,"section_label":null}],"concept_label":"Prepaid ground rent","current_period_value":3142,"prior_period_value":2911.0,"visual_current_value":3142,"visual_prior_value":2911.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-1ae5a179-c20f-4793-8157-f6d771f2da81","text_snippet":"3,142","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-f3279841-0bd3-4ab3-9dc3-d80f558672a0","text_snippet":"2,911","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3142,"prior_value":2911.0},{"tag":"us-gaap:AssetsHeldForSaleNotPartOfDisposalGroupCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":9.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":9.0,"section_label":null}],"concept_label":"Asset, Held-for-Sale, Not Part of Disposal Group, Current","current_period_value":95783,"prior_period_value":null,"visual_current_value":95783,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-2fcbe144-5d80-40ca-a040-2f40fb7a5164","text_snippet":"95,783","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":95783,"prior_value":null},{"tag":"us-gaap:InterestReceivableCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":7.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":7.0,"section_label":null}],"concept_label":"Interest Receivable, Current","current_period_value":4139,"prior_period_value":6996.0,"visual_current_value":4139,"visual_prior_value":6996.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-b8136a23-cf3b-4a86-849e-d2ff75e17786","text_snippet":"4,139","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-10a49d4c-edec-456f-be9f-49ac0fea1562","text_snippet":"6,996","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":4139,"prior_value":6996.0},{"tag":"us-gaap:OtherAssetsCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,9.0,8],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":2.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Other Assets, Current","current_period_value":17661,"prior_period_value":20970.0,"visual_current_value":17661,"visual_prior_value":20970.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-3b4845a0-e295-4a27-8e3e-bb5d430c436d","text_snippet":"17,661","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-25be77a7-f9d3-4134-9aea-faf786a3ac94","text_snippet":"20,970","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":17661,"prior_value":20970.0},{"tag":"us-gaap:PrepaidInsurance","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":8.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":8.0,"section_label":null}],"concept_label":"Prepaid Insurance","current_period_value":3179,"prior_period_value":3058.0,"visual_current_value":3179,"visual_prior_value":3058.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-e1a1e539-a2e6-4360-9213-4ca0961679ee","text_snippet":"3,179","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-0fc797b6-8b3a-43da-9121-9284b3719593","text_snippet":"3,058","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3179,"prior_value":3058.0},{"tag":"us-gaap:PrepaidTaxes","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","presentation_hierarchy":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","weight":1.0,"order":6.0}],"calculation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","calculation_parent":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","calculation_weight":1.0,"calculation_order":6.0,"section_label":null}],"concept_label":"Prepaid Taxes","current_period_value":7065,"prior_period_value":11870.0,"visual_current_value":7065,"visual_prior_value":11870.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-8f079898-8959-4570-b10e-dccc128af3fe","text_snippet":"7,065","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-7ad88cb1-b8a9-4872-a2bf-49ccbdce4316","text_snippet":"11,870","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":7065,"prior_value":11870.0},{"tag":"us-gaap:PrepaidExpenseAndOtherAssetsCurrent","date_type":"Q","period_type":"instant","presentation_role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0,5.0,4],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrent","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:AssetsCurrent","calculation_weight":1.0,"calculation_order":5.0,"section_label":"Current Assets"},{"role":"disclosureprepaidexpensesandothercurrentassetsandotherassetsscheduleofprepaidexpenseandothercurrentassetsdetails","parent":"us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract","order":10.0,"preferred_label_role":"totalLabel","global_sort_position":[0,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Prepaid Expense and Other Assets, Current","current_period_value":144061,"prior_period_value":67149.0,"visual_current_value":144061,"visual_prior_value":67149.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-ff729285-ff60-4b84-a55b-be01137e1b35","text_snippet":"144,061","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-8fd5faec-63b1-4c01-b537-2a3e55739962","text_snippet":"67,149","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":144061,"prior_value":67149.0},{"tag":"us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosurepropertyandequipmentnet","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnet","parent":"us-gaap:PropertyPlantAndEquipmentAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Property, Plant and Equipment Disclosure [Text Block]","current_period_value":7,"prior_period_value":7.0,"visual_current_value":7,"visual_prior_value":7.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-068f6db9-a966-4da7-89bf-1bcb5d7254cd","text_snippet":"7.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-61fccc07-6300-4253-b6e9-a71d69b25413","text_snippet":"7.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":7,"prior_value":7.0},{"tag":"us-gaap:Depreciation","date_type":"Q","period_type":"duration","presentation_role":"disclosurepropertyandequipmentnetnarrativedetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetnarrativedetails","parent":"us-gaap:PropertyPlantAndEquipmentAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Depreciation","current_period_value":35.7,"prior_period_value":25.8,"visual_current_value":35.7,"visual_prior_value":25.8,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f7e7362c-6a0b-4a88-909e-218c02235d68","text_snippet":"35.7","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f6969b4a-87f4-42dc-81b1-91ca963f6d39","text_snippet":"25.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":35.7,"prior_value":25.8},{"tag":"us-gaap:Depreciation","date_type":"YTD","period_type":"duration","presentation_role":"disclosurepropertyandequipmentnetnarrativedetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetnarrativedetails","parent":"us-gaap:PropertyPlantAndEquipmentAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Depreciation","current_period_value":94.7,"prior_period_value":89.4,"visual_current_value":94.7,"visual_prior_value":89.4,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-baa9da68-4dbc-482c-9aab-3d41f011a8e3","text_snippet":"94.7","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9f5ced9b-717d-454e-a0b0-14787b2b9313","text_snippet":"89.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":94.7,"prior_value":89.4},{"tag":"us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment","date_type":"Q","period_type":"instant","presentation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentLineItems","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentNet","weight":-1.0,"order":2.0}],"calculation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","calculation_parent":"us-gaap:PropertyPlantAndEquipmentNet","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment","current_period_value":4334089,"prior_period_value":null,"visual_current_value":-4334089,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-9dcbb10b-3135-4c7a-9237-2fd907f9e980","text_snippet":"4,334,089","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-4334089,"prior_value":null},{"tag":"us-gaap:PropertyPlantAndEquipmentGross","date_type":"Q","period_type":"instant","presentation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentLineItems","order":1.0,"preferred_label_role":"netLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentNet","weight":1.0,"order":1.0}],"calculation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","calculation_parent":"us-gaap:PropertyPlantAndEquipmentNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Property, Plant and Equipment, Gross","current_period_value":6451935,"prior_period_value":null,"visual_current_value":6451935,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:PropertyPlantAndEquipmentByTypeAxis=sbac:TowersAndRelatedComponentsMember","dimensions":[{"axis":"us-gaap:PropertyPlantAndEquipmentByTypeAxis","axis_label":"Property Plant And Equipment By Type","member":"sbac:TowersAndRelatedComponentsMember","member_label":"Towers and Related Assets [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_PropertyPlantAndEquipmentByTypeAxis_sbac_TowersAndRelatedComponentsMember","char_anchor":"ct-nonFraction-02480205-8507-419a-987c-d41c509a0b28","text_snippet":"6,451,935","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":6451935,"prior_value":null},{"tag":"us-gaap:PropertyPlantAndEquipmentGross","date_type":"Q","period_type":"instant","presentation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentLineItems","order":1.0,"preferred_label_role":"netLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentNet","weight":1.0,"order":1.0}],"calculation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","calculation_parent":"us-gaap:PropertyPlantAndEquipmentNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Property, Plant and Equipment, Gross","current_period_value":76409,"prior_period_value":null,"visual_current_value":76409,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:PropertyPlantAndEquipmentByTypeAxis=us-gaap:ConstructionInProgressMember","dimensions":[{"axis":"us-gaap:PropertyPlantAndEquipmentByTypeAxis","axis_label":"Property Plant And Equipment By Type","member":"us-gaap:ConstructionInProgressMember","member_label":"Construction In Progress"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember","char_anchor":"ct-nonFraction-7714c10e-2e45-4d50-b572-0d2fc21dd138","text_snippet":"76,409","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":76409,"prior_value":null},{"tag":"us-gaap:PropertyPlantAndEquipmentGross","date_type":"Q","period_type":"instant","presentation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentLineItems","order":1.0,"preferred_label_role":"netLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentNet","weight":1.0,"order":1.0}],"calculation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","calculation_parent":"us-gaap:PropertyPlantAndEquipmentNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Property, Plant and Equipment, Gross","current_period_value":95048,"prior_period_value":null,"visual_current_value":95048,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:PropertyPlantAndEquipmentByTypeAxis=sbac:FurnitureEquipmentAndVehiclesMember","dimensions":[{"axis":"us-gaap:PropertyPlantAndEquipmentByTypeAxis","axis_label":"Property Plant And Equipment By Type","member":"sbac:FurnitureEquipmentAndVehiclesMember","member_label":"Furniture, Equipment and Vehicles [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_PropertyPlantAndEquipmentByTypeAxis_sbac_FurnitureEquipmentAndVehiclesMember","char_anchor":"ct-nonFraction-dc0466e3-9a6d-4678-8110-52ca0a9befb2","text_snippet":"95,048","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":95048,"prior_value":null},{"tag":"us-gaap:PropertyPlantAndEquipmentGross","date_type":"Q","period_type":"instant","presentation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentLineItems","order":1.0,"preferred_label_role":"netLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentNet","weight":1.0,"order":1.0}],"calculation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","calculation_parent":"us-gaap:PropertyPlantAndEquipmentNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Property, Plant and Equipment, Gross","current_period_value":1006318,"prior_period_value":null,"visual_current_value":1006318,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:PropertyPlantAndEquipmentByTypeAxis=us-gaap:LandBuildingsAndImprovementsMember","dimensions":[{"axis":"us-gaap:PropertyPlantAndEquipmentByTypeAxis","axis_label":"Property Plant And Equipment By Type","member":"us-gaap:LandBuildingsAndImprovementsMember","member_label":"Land Buildings And Improvements"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandBuildingsAndImprovementsMember","char_anchor":"ct-nonFraction-71cbdd72-c80f-4182-8381-3eadbaf30443","text_snippet":"1,006,318","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1006318,"prior_value":null},{"tag":"us-gaap:PropertyPlantAndEquipmentGross","date_type":"Q","period_type":"instant","presentation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","presentation_hierarchy":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentLineItems","order":1.0,"preferred_label_role":"netLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentNet","weight":1.0,"order":1.0}],"calculation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","calculation_parent":"us-gaap:PropertyPlantAndEquipmentNet","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Property, Plant and Equipment, Gross","current_period_value":7629710,"prior_period_value":null,"visual_current_value":7629710,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-3ab1a584-7935-405e-8d88-e240335fd1b4","text_snippet":"7,629,710","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":7629710,"prior_value":null},{"tag":"us-gaap:PropertyPlantAndEquipmentNet","date_type":"Q","period_type":"instant","presentation_role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"disclosurepropertyandequipmentnetpropertyandequipmentnetdetails","parent":"us-gaap:PropertyPlantAndEquipmentLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Property, Plant and Equipment, Net","current_period_value":3295621,"prior_period_value":null,"visual_current_value":3295621,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-498261df-5c06-4001-a9f4-d66c88ccf0d9","text_snippet":"3,295,621","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":3295621,"prior_value":null},{"tag":"us-gaap:MinorityInterestDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosureredeemablenoncontrollinginterests","presentation_hierarchy":[{"role":"disclosureredeemablenoncontrollinginterests","parent":"us-gaap:NoncontrollingInterestAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Noncontrolling Interest Disclosure [Text Block]","current_period_value":16,"prior_period_value":16.0,"visual_current_value":16,"visual_prior_value":16.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-371ca112-c4fe-4c32-a7bb-e3f13cbed843","text_snippet":"16.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-fbce703f-bc32-4f66-a92a-a92b8944dbd3","text_snippet":"16.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":16,"prior_value":16.0},{"tag":"us-gaap:MinorityInterestChangeInRedemptionValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","presentation_hierarchy":[{"role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","parent":"us-gaap:NoncontrollingInterestAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Noncontrolling Interest, Change in Redemption Value","current_period_value":21686,"prior_period_value":19197.0,"visual_current_value":21686,"visual_prior_value":19197.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-c611421f-d0c6-41a8-9aa1-4bddaf4d9a6b","text_snippet":"21,686","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-52762ef0-f8a7-4f8a-98bb-3086c6ee3638","text_snippet":"19,197","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":21686,"prior_value":19197.0},{"tag":"us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToNoncontrollingInterest","date_type":"YTD","period_type":"duration","presentation_role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","presentation_hierarchy":[{"role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","parent":"us-gaap:NoncontrollingInterestAbstract","order":3.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Noncontrolling Interest","current_period_value":48,"prior_period_value":662.0,"visual_current_value":-48,"visual_prior_value":-662.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-9a046d33-0a9a-4073-a1ef-89001c15e54b","text_snippet":"48","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f9501e62-5112-4819-ad47-862e3d39d96f","text_snippet":"662","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-48,"prior_value":-662.0},{"tag":"us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest","date_type":"YTD","period_type":"duration","presentation_role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","presentation_hierarchy":[{"role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","parent":"us-gaap:NoncontrollingInterestAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Payments for Repurchase of Redeemable Noncontrolling Interest","current_period_value":146,"prior_period_value":null,"visual_current_value":146,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-6ddf7bb2-d357-440c-8c63-81a976f6d42c","text_snippet":"146","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":146,"prior_value":null},{"tag":"us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount","date_type":"Q","period_type":"instant","presentation_role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquityAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":3.0,"section_label":null},{"role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","parent":"us-gaap:NoncontrollingInterestAbstract","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Redeemable Noncontrolling Interest, Equity, Carrying Amount","current_period_value":76605,"prior_period_value":49092.0,"visual_current_value":76605,"visual_prior_value":49092.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-722b2d51-30a1-4275-a7f8-f260cb5cd9da","text_snippet":"76,605","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-64fbba99-0301-4918-8313-0907efd3b6bf","text_snippet":"49,092","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":76605,"prior_value":49092.0},{"tag":"us-gaap:NetIncomeLossAttributableToNoncontrollingInterest","date_type":"Q","period_type":"duration","presentation_role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","parent":"us-gaap:NoncontrollingInterestAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,8.0,7],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NetIncomeLoss","weight":-1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NetIncomeLoss","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Net Income (Loss) Attributable to Noncontrolling Interest","current_period_value":3615,"prior_period_value":-2643.0,"visual_current_value":-3615,"visual_prior_value":2643.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-fb507080-f66f-4128-a60b-ab3ecc1a40d8","text_snippet":"3,615","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b7cc0e5e-6eb6-4e6a-9a9a-624338316492","text_snippet":"2,643","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-3615,"prior_value":2643.0},{"tag":"us-gaap:NetIncomeLossAttributableToNoncontrollingInterest","date_type":"YTD","period_type":"duration","presentation_role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosureredeemablenoncontrollinginterestscomponentsofredeemablenoncontrollinginterestdetails","parent":"us-gaap:NoncontrollingInterestAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,8.0,7],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NetIncomeLoss","weight":-1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NetIncomeLoss","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Net Income (Loss) Attributable to Noncontrolling Interest","current_period_value":689,"prior_period_value":-6020.0,"visual_current_value":-689,"visual_prior_value":6020.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-61f29c52-c116-49aa-acab-87230a465eb6","text_snippet":"689","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b7a3b83c-2f74-4b8a-bca8-f0141fbbcb3e","text_snippet":"6,020","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-689,"prior_value":6020.0},{"tag":"us-gaap:SegmentReportingDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdata","presentation_hierarchy":[{"role":"disclosuresegmentdata","parent":"us-gaap:SegmentReportingAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Segment Reporting Disclosure [Text Block]","current_period_value":14,"prior_period_value":14.0,"visual_current_value":14,"visual_prior_value":14.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-373c0003-8cb9-43c0-b1b0-ba7e9b295922","text_snippet":"14.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-350a344d-1125-4a7b-92f8-4a1feea1b967","text_snippet":"14.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":14,"prior_value":14.0},{"tag":"us-gaap:NoncurrentAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Lived Assets","current_period_value":5769412,"prior_period_value":null,"visual_current_value":5769412,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-ae51f4fc-0afe-4743-b668-293f5d4a1c8f","text_snippet":"5,769,412","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":5769412,"prior_value":null},{"tag":"us-gaap:NoncurrentAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Lived Assets","current_period_value":1880234,"prior_period_value":null,"visual_current_value":1880234,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"srt:StatementGeographicalAxis=country:BR","dimensions":[{"axis":"srt:StatementGeographicalAxis","axis_label":"Geography","member":"country:BR","member_label":"BR"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_srt_StatementGeographicalAxis_country_BR","char_anchor":"ct-nonFraction-4b23fd9f-2e46-4b7d-b45d-20e879e5a70f","text_snippet":"1,880,234","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1880234,"prior_value":null},{"tag":"us-gaap:NoncurrentAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Lived Assets","current_period_value":578383,"prior_period_value":null,"visual_current_value":578383,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"srt:StatementGeographicalAxis=country:GT","dimensions":[{"axis":"srt:StatementGeographicalAxis","axis_label":"Geography","member":"country:GT","member_label":"GT"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_srt_StatementGeographicalAxis_country_GT","char_anchor":"ct-nonFraction-cda8b955-c8a2-4ae6-b6cd-229d204b1e1b","text_snippet":"578,383","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":578383,"prior_value":null},{"tag":"us-gaap:NoncurrentAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Lived Assets","current_period_value":1577625,"prior_period_value":null,"visual_current_value":1577625,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-a240977f-ee55-406c-975c-59375f254f9b","text_snippet":"1,577,625","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":1577625,"prior_value":null},{"tag":"us-gaap:NoncurrentAssets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleoflonglivedassetsbygeographicareasdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Long-Lived Assets","current_period_value":9805654,"prior_period_value":null,"visual_current_value":9805654,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-2638b078-6e26-4b78-ae0a-3c030791dcec","text_snippet":"9,805,654","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":9805654,"prior_value":null},{"tag":"us-gaap:CostOfRevenue","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":189789,"prior_period_value":150339.0,"visual_current_value":189789,"visual_prior_value":150339.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-c38a8616-f763-49bd-a264-b517cd48dfbb","text_snippet":"189,789","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-c5d3a987-00a6-4f5a-9336-101ca0d32880","text_snippet":"150,339","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":189789,"prior_value":150339.0},{"tag":"us-gaap:CostOfRevenue","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":70251,"prior_period_value":68908.0,"visual_current_value":70251,"visual_prior_value":68908.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-ff100108-d652-4d8f-afdf-b26f78e45eab","text_snippet":"70,251","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f56e11e5-c8a0-46e8-ae65-12e9d849aa54","text_snippet":"68,908","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":70251,"prior_value":68908.0},{"tag":"us-gaap:CostOfRevenue","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":57030,"prior_period_value":49040.0,"visual_current_value":57030,"visual_prior_value":49040.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-938ba33a-fbc5-4753-9d9a-8e69148ed478","text_snippet":"57,030","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-375d4696-e30a-4ba3-aacc-e9598581217c","text_snippet":"49,040","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":57030,"prior_value":49040.0},{"tag":"us-gaap:CostOfRevenue","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":62508,"prior_period_value":32391.0,"visual_current_value":62508,"visual_prior_value":32391.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-4340daf7-ed34-4a27-bb68-1346f235d879","text_snippet":"62,508","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-547973b9-53b5-47f7-83e9-dca1c88bbbec","text_snippet":"32,391","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":62508,"prior_value":32391.0},{"tag":"us-gaap:CostOfRevenue","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":515552,"prior_period_value":429598.0,"visual_current_value":515552,"visual_prior_value":429598.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f05190cc-a34e-417f-9030-3ca2f4db0e41","text_snippet":"515,552","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0ddab9f6-33da-4333-a927-41c53827a2d9","text_snippet":"429,598","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":515552,"prior_value":429598.0},{"tag":"us-gaap:CostOfRevenue","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":207944,"prior_period_value":200368.0,"visual_current_value":207944,"visual_prior_value":200368.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b62c2771-1a43-4a43-9ae3-6029df610d4b","text_snippet":"207,944","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-86f94b0d-ca1b-4488-8211-d6aff559af77","text_snippet":"200,368","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":207944,"prior_value":200368.0},{"tag":"us-gaap:CostOfRevenue","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":153386,"prior_period_value":146525.0,"visual_current_value":153386,"visual_prior_value":146525.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-17097b24-8d2a-459a-853e-27a13292b1fb","text_snippet":"153,386","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-ac8f917f-6559-412b-823f-55bc8a8c4643","text_snippet":"146,525","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":153386,"prior_value":146525.0},{"tag":"us-gaap:CostOfRevenue","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":-1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":-1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of Revenue","current_period_value":154222,"prior_period_value":82705.0,"visual_current_value":154222,"visual_prior_value":82705.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-1424170e-1c47-4d9a-a1f9-7286a254ba30","text_snippet":"154,222","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-86eb9e41-0398-45be-b931-d59613884b4c","text_snippet":"82,705","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":154222,"prior_value":82705.0},{"tag":"us-gaap:GrossProfit","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":542538,"prior_period_value":517256.0,"visual_current_value":542538,"visual_prior_value":517256.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-d5e28898-6f5c-4393-86f1-5fee3ff22ed2","text_snippet":"542,538","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-5f1a0227-0c08-4ebd-a7d1-21bce7020bbd","text_snippet":"517,256","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":542538,"prior_value":517256.0},{"tag":"us-gaap:GrossProfit","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":400000,"prior_period_value":395952.0,"visual_current_value":400000,"visual_prior_value":395952.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-8d54cb54-20fd-4522-b675-ce90c4a6d79c","text_snippet":"400,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b2bbbb83-b1b7-4940-8157-f12144654d2c","text_snippet":"395,952","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":400000,"prior_value":395952.0},{"tag":"us-gaap:GrossProfit","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":129146,"prior_period_value":111797.0,"visual_current_value":129146,"visual_prior_value":111797.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-1b86ac1e-b90f-4688-91f7-ac30fdf9e86c","text_snippet":"129,146","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b9eef539-5eb6-43f2-9e18-4b99fd6caa15","text_snippet":"111,797","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":129146,"prior_value":111797.0},{"tag":"us-gaap:GrossProfit","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":13392,"prior_period_value":9507.0,"visual_current_value":13392,"visual_prior_value":9507.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-bcb1cd4d-9a46-4fdc-a58d-39514cbadec5","text_snippet":"13,392","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-1b1e2fc4-4364-4861-8eeb-3929cbc422dc","text_snippet":"9,507","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":13392,"prior_value":9507.0},{"tag":"us-gaap:GrossProfit","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":1580004,"prior_period_value":1556336.0,"visual_current_value":1580004,"visual_prior_value":1556336.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-766f96d2-16c7-452e-a9a6-290a4fd96399","text_snippet":"1,580,004","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-e4afc61a-6b65-4a1c-94d6-86073d6606f8","text_snippet":"1,556,336","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1580004,"prior_value":1556336.0},{"tag":"us-gaap:GrossProfit","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":1193108,"prior_period_value":1189195.0,"visual_current_value":1193108,"visual_prior_value":1189195.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-76dbdc37-9bc6-4bad-99dc-19ab119f1089","text_snippet":"1,193,108","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-242e0675-8c0a-41fd-82f4-f59f2fe00fa6","text_snippet":"1,189,195","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1193108,"prior_value":1189195.0},{"tag":"us-gaap:GrossProfit","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":349986,"prior_period_value":344342.0,"visual_current_value":349986,"visual_prior_value":344342.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-3da31607-cc73-4235-abef-522223625a85","text_snippet":"349,986","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f788db26-280a-4742-b6c8-be0c5a1ad4d8","text_snippet":"344,342","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":349986,"prior_value":344342.0},{"tag":"us-gaap:GrossProfit","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Gross Profit","current_period_value":36910,"prior_period_value":22799.0,"visual_current_value":36910,"visual_prior_value":22799.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-dc0fcdf3-1317-4396-a1ca-2000ed7685c9","text_snippet":"36,910","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-5bd30cb4-35c2-4228-a8d0-61108d75f569","text_snippet":"22,799","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":36910,"prior_value":22799.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":74722,"prior_period_value":272297.0,"visual_current_value":74722,"visual_prior_value":272297.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-24950991-834b-4ca0-af1c-1bc7254db7cf","text_snippet":"74,722","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b5ab948b-b2dc-4312-9e9a-29682db60f28","text_snippet":"272,297","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":74722,"prior_value":272297.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":43344,"prior_period_value":234962.0,"visual_current_value":43344,"visual_prior_value":234962.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b44f98be-04a2-4dea-af2c-7dc81b0d974b","text_snippet":"43,344","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f012499e-9fd4-4b56-be41-a6add7d9f33f","text_snippet":"234,962","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":43344,"prior_value":234962.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":26754,"prior_period_value":36317.0,"visual_current_value":26754,"visual_prior_value":36317.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-e21f6a7f-2a24-460d-bb2a-9f747831e1b3","text_snippet":"26,754","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-41ace6e9-6170-4607-8834-b67de5e842e3","text_snippet":"36,317","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":26754,"prior_value":36317.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":2390,"prior_period_value":428.0,"visual_current_value":2390,"visual_prior_value":428.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-8260e7b4-2688-414d-927c-886dbb137df1","text_snippet":"2,390","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-58cca989-332d-4c4c-862c-44f9551a7b70","text_snippet":"428","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2390,"prior_value":428.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":2234,"prior_period_value":590.0,"visual_current_value":2234,"visual_prior_value":590.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-d3d519f5-2a84-4d87-981a-d418150a5ae0","text_snippet":"2,234","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-f56234a4-ce51-4bb2-a5d4-222b5b7e3619","text_snippet":"590","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2234,"prior_value":590.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":832095,"prior_period_value":441163.0,"visual_current_value":832095,"visual_prior_value":441163.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-01992aaf-f0fb-4f5e-af35-66581d56962f","text_snippet":"832,095","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-eef6909a-db7d-41a6-abcb-7d56ff49d681","text_snippet":"441,163","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":832095,"prior_value":441163.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":127629,"prior_period_value":324586.0,"visual_current_value":127629,"visual_prior_value":324586.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-cf09c452-387e-48e8-bea3-d479a529217c","text_snippet":"127,629","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-1e6f11ba-3f4f-43e0-9e32-fdee70b229cc","text_snippet":"324,586","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":127629,"prior_value":324586.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":695876,"prior_period_value":113606.0,"visual_current_value":695876,"visual_prior_value":113606.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-1f019872-8b71-4274-b5da-706ff4d8b337","text_snippet":"695,876","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-98b9db0b-2266-4d11-851a-a0c64b374416","text_snippet":"113,606","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":695876,"prior_value":113606.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":4690,"prior_period_value":610.0,"visual_current_value":4690,"visual_prior_value":610.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-419687d5-f11d-435d-836b-92fd7dcedd53","text_snippet":"4,690","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-80419a57-8eed-4639-8d00-a2b604952ae7","text_snippet":"610","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":4690,"prior_value":610.0},{"tag":"us-gaap:PaymentsToAcquireProductiveAssets","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Payments to Acquire Productive Assets","current_period_value":3900,"prior_period_value":2361.0,"visual_current_value":3900,"visual_prior_value":2361.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-4a3e6899-9401-4384-81ee-259742c555ad","text_snippet":"3,900","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-4175d38a-1781-44a2-90dc-e683d25ccec2","text_snippet":"2,361","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3900,"prior_value":2361.0},{"tag":"us-gaap:Assets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6],"section_concept":null,"section_label":null},{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Assets","current_period_value":11260239,"prior_period_value":10201663.0,"visual_current_value":11260239,"visual_prior_value":10201663.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-583cf457-c020-4e41-bbd5-10e2eb601f65","text_snippet":"11,260,239","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-4f8c338c-fc23-41ca-9fbb-afcf15ccef62","text_snippet":"10,201,663","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":11260239,"prior_value":10201663.0},{"tag":"us-gaap:Assets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6],"section_concept":null,"section_label":null},{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Assets","current_period_value":6241281,"prior_period_value":6173557.0,"visual_current_value":6241281,"visual_prior_value":6173557.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-3894a8f1-48be-4925-bd32-b9211b38e98d","text_snippet":"6,241,281","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-466ea02b-1048-40c0-90e6-da5ec2543779","text_snippet":"6,173,557","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":6241281,"prior_value":6173557.0},{"tag":"us-gaap:Assets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6],"section_concept":null,"section_label":null},{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Assets","current_period_value":4627565,"prior_period_value":3641169.0,"visual_current_value":4627565,"visual_prior_value":3641169.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-00b0f957-74af-4973-9c35-7b55ac993025","text_snippet":"4,627,565","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-3192b774-c7cc-4747-a54e-994b316fb253","text_snippet":"3,641,169","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":4627565,"prior_value":3641169.0},{"tag":"us-gaap:Assets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6],"section_concept":null,"section_label":null},{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Assets","current_period_value":104821,"prior_period_value":55076.0,"visual_current_value":104821,"visual_prior_value":55076.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-79589944-490d-48a8-b1d5-e2c7bf84ca96","text_snippet":"104,821","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-c10b6a67-dedd-4ad4-8f2f-859e8407642c","text_snippet":"55,076","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":104821,"prior_value":55076.0},{"tag":"us-gaap:Assets","date_type":"Q","period_type":"instant","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6],"section_concept":null,"section_label":null},{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Assets","current_period_value":286572,"prior_period_value":331861.0,"visual_current_value":286572,"visual_prior_value":331861.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-7368b27b-6c78-4630-9571-addab7dcc6ff","text_snippet":"286,572","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-cc3ac29b-7de2-46e7-a930-eee5d1eb5f26","text_snippet":"331,861","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":286572,"prior_value":331861.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":76883,"prior_period_value":63515.0,"visual_current_value":76883,"visual_prior_value":63515.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f4fbe28a-75ff-4650-b2d2-d31a921ff784","text_snippet":"76,883","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-276b481b-e8a1-4cbf-a31e-8b8ecbd82216","text_snippet":"63,515","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":76883,"prior_value":63515.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":37085,"prior_period_value":34636.0,"visual_current_value":37085,"visual_prior_value":34636.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-33548136-2cfb-41e2-a8a9-b835a13d2391","text_snippet":"37,085","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-ff9052c1-3221-440f-8946-0135193081d7","text_snippet":"34,636","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":37085,"prior_value":34636.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":36765,"prior_period_value":26098.0,"visual_current_value":36765,"visual_prior_value":26098.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f9e805d7-206f-4c0a-b33c-5ed3f5f11c08","text_snippet":"36,765","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-2c8269ba-d4e6-4e1a-90bd-68cb8121c1e1","text_snippet":"26,098","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":36765,"prior_value":26098.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":960,"prior_period_value":895.0,"visual_current_value":960,"visual_prior_value":895.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-552308e8-fb47-497a-b47e-4137018b2f85","text_snippet":"960","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-0768ed14-846b-4ba7-a576-e9e3cc95484b","text_snippet":"895","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":960,"prior_value":895.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":2073,"prior_period_value":1886.0,"visual_current_value":2073,"visual_prior_value":1886.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-99ab3004-a0cc-4851-9678-8bc275a14e2f","text_snippet":"2,073","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-ad8c65c3-a7ba-4026-aa8d-51789d8b3130","text_snippet":"1,886","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2073,"prior_value":1886.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":211894,"prior_period_value":204444.0,"visual_current_value":211894,"visual_prior_value":204444.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-fdd20f5f-7999-4459-8dc7-791d4706b189","text_snippet":"211,894","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-15881d24-d208-4b2a-a959-0e972d5edaf3","text_snippet":"204,444","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":211894,"prior_value":204444.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":110668,"prior_period_value":108851.0,"visual_current_value":110668,"visual_prior_value":108851.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-8dae015c-3f1d-4212-8871-53692cab6f52","text_snippet":"110,668","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-8210746f-88b8-4885-bf07-5f2c68663c1c","text_snippet":"108,851","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":110668,"prior_value":108851.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":92537,"prior_period_value":87384.0,"visual_current_value":92537,"visual_prior_value":87384.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-89179123-c701-4120-b82c-ad82101b4acf","text_snippet":"92,537","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-4bd0d6f0-340b-41d1-9042-70ff6bef2ab6","text_snippet":"87,384","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":92537,"prior_value":87384.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":2681,"prior_period_value":2767.0,"visual_current_value":2681,"visual_prior_value":2767.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-36537e05-bd16-48ed-81e1-246794143a40","text_snippet":"2,681","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-2231e226-8f09-490e-99e1-c592313f6946","text_snippet":"2,767","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2681,"prior_value":2767.0},{"tag":"us-gaap:DepreciationAmortizationAndAccretionNet","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":7.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,7.0,6,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":4.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":6.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Operating Activities"}],"concept_label":"Depreciation, Amortization and Accretion, Net","current_period_value":6008,"prior_period_value":5442.0,"visual_current_value":6008,"visual_prior_value":5442.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-849605a4-a986-4ece-a092-67de38b9799f","text_snippet":"6,008","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-cbeaf56b-fcdf-40a0-b901-a3496cb18463","text_snippet":"5,442","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":6008,"prior_value":5442.0},{"tag":"sbac:BusinessCombinationAcquisitionRelatedCostsAndAdjusments","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":3.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Acquisition and new business initiatives related adjustments and expenses","current_period_value":5156,"prior_period_value":5388.0,"visual_current_value":5156,"visual_prior_value":5388.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ff23fbe8-80f1-4c62-b5a1-ffd62cf026a1","text_snippet":"5,156","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-86318d22-5732-4cab-bbbb-d27b8cc77e3b","text_snippet":"5,388","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":5156,"prior_value":5388.0},{"tag":"sbac:BusinessCombinationAcquisitionRelatedCostsAndAdjusments","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":3.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Acquisition and new business initiatives related adjustments and expenses","current_period_value":4295,"prior_period_value":3496.0,"visual_current_value":4295,"visual_prior_value":3496.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b8c5c58b-582d-4bf1-92d4-e6d6ce17b43b","text_snippet":"4,295","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-90699a7a-22e5-42b0-9a3a-ef0e69b2681a","text_snippet":"3,496","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":4295,"prior_value":3496.0},{"tag":"sbac:BusinessCombinationAcquisitionRelatedCostsAndAdjusments","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":3.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Acquisition and new business initiatives related adjustments and expenses","current_period_value":861,"prior_period_value":1892.0,"visual_current_value":861,"visual_prior_value":1892.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-e8c283e0-4432-4a9e-9230-1462c953ea88","text_snippet":"861","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-4f0aa624-e763-4d11-b908-fd7243f6ea7b","text_snippet":"1,892","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":861,"prior_value":1892.0},{"tag":"sbac:BusinessCombinationAcquisitionRelatedCostsAndAdjusments","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":3.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Acquisition and new business initiatives related adjustments and expenses","current_period_value":18422,"prior_period_value":19379.0,"visual_current_value":18422,"visual_prior_value":19379.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-579e3f8f-93e7-4685-9a75-701fadfdde19","text_snippet":"18,422","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-feda3e06-c55e-450f-b02c-4fba34f9057c","text_snippet":"19,379","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":18422,"prior_value":19379.0},{"tag":"sbac:BusinessCombinationAcquisitionRelatedCostsAndAdjusments","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":3.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Acquisition and new business initiatives related adjustments and expenses","current_period_value":14823,"prior_period_value":11883.0,"visual_current_value":14823,"visual_prior_value":11883.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f7db393a-c78a-4610-a157-20be4aa045ff","text_snippet":"14,823","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-0d708d15-a892-4e4c-b9f9-1627832911c7","text_snippet":"11,883","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":14823,"prior_value":11883.0},{"tag":"sbac:BusinessCombinationAcquisitionRelatedCostsAndAdjusments","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":3.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Acquisition and new business initiatives related adjustments and expenses","current_period_value":3599,"prior_period_value":7496.0,"visual_current_value":3599,"visual_prior_value":7496.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-095b6f32-6952-45b9-8661-0a04f70d2d9d","text_snippet":"3,599","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-c606627b-5cb7-45c3-86b9-de7c058b3697","text_snippet":"7,496","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3599,"prior_value":7496.0},{"tag":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":10.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,10.0,9],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":5.0,"preferred_label_role":"totalLabel","global_sort_position":[0,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:ProfitLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:ProfitLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","current_period_value":289083,"prior_period_value":298207.0,"visual_current_value":289083,"visual_prior_value":298207.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-2843ca07-22ce-48d8-b5b2-a116c519ef04","text_snippet":"289,083","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-76733940-49b1-4c72-88c7-cb8951928417","text_snippet":"298,207","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":289083,"prior_value":298207.0},{"tag":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":10.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,10.0,9],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":5.0,"preferred_label_role":"totalLabel","global_sort_position":[0,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:ProfitLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:ProfitLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","current_period_value":809761,"prior_period_value":616792.0,"visual_current_value":809761,"visual_prior_value":616792.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-17c07678-ae62-471d-860a-6abe92c3bf70","text_snippet":"809,761","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-06d2cfa4-b51f-4204-b97f-94f76264558d","text_snippet":"616,792","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":809761,"prior_value":616792.0},{"tag":"us-gaap:NonoperatingIncomeExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,9.0,8],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Nonoperating Income (Expense)","current_period_value":-85086,"prior_period_value":-77389.0,"visual_current_value":-85086,"visual_prior_value":-77389.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-c08a6bbf-8518-443b-a706-de73afd28a47","text_snippet":"85,086","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-312cb34e-9af2-4709-85e7-1e511fa0e6a4","text_snippet":"77,389","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-85086,"prior_value":-77389.0},{"tag":"us-gaap:NonoperatingIncomeExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,9.0,8],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Nonoperating Income (Expense)","current_period_value":-85086,"prior_period_value":-77389.0,"visual_current_value":-85086,"visual_prior_value":-77389.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-180e4e0d-2cbb-486b-90d4-9081ead43358","text_snippet":"85,086","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-d53d9c63-3852-4cab-adf2-675d985ab62d","text_snippet":"77,389","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-85086,"prior_value":-77389.0},{"tag":"us-gaap:NonoperatingIncomeExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,9.0,8],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Nonoperating Income (Expense)","current_period_value":-234100,"prior_period_value":-436632.0,"visual_current_value":-234100,"visual_prior_value":-436632.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ee9f2233-d0ab-47bb-a13d-b804070a1514","text_snippet":"234,100","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-10da7b98-4ccd-40e9-86ae-6fa528c29f0e","text_snippet":"436,632","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-234100,"prior_value":-436632.0},{"tag":"us-gaap:NonoperatingIncomeExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,9.0,8],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Nonoperating Income (Expense)","current_period_value":-234100,"prior_period_value":-436632.0,"visual_current_value":-234100,"visual_prior_value":-436632.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-3ab24d84-ffbe-495b-b90b-6a2e8ef01df2","text_snippet":"234,100","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-5ef440b8-5738-474c-88d5-63e406b48abc","text_snippet":"436,632","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-234100,"prior_value":-436632.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":374169,"prior_period_value":375596.0,"visual_current_value":374169,"visual_prior_value":375596.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-708c2521-6990-4063-b66c-1aaaa018955f","text_snippet":"374,169","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-8f8ed43f-6f6d-4f79-9b97-50d713fd8b65","text_snippet":"375,596","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":374169,"prior_value":375596.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":309549,"prior_period_value":324369.0,"visual_current_value":309549,"visual_prior_value":324369.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-e014f385-f77c-4092-beba-307de61b3737","text_snippet":"309,549","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-e1202f9a-f46d-4da8-8b67-2e58a28042a7","text_snippet":"324,369","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":309549,"prior_value":324369.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":72674,"prior_period_value":57560.0,"visual_current_value":72674,"visual_prior_value":57560.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f0169372-0336-4aeb-b0ee-d4cebe8e013b","text_snippet":"72,674","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-62879a53-05a9-44e9-be90-4f35e0c8a11b","text_snippet":"57,560","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":72674,"prior_value":57560.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":9038,"prior_period_value":5763.0,"visual_current_value":9038,"visual_prior_value":5763.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-ed89af2e-c70d-491c-a002-e8897ed27984","text_snippet":"9,038","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-1350901f-34e7-4301-94c3-76d972416016","text_snippet":"5,763","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":9038,"prior_value":5763.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":-17092,"prior_period_value":-12096.0,"visual_current_value":-17092,"visual_prior_value":-12096.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-08616556-1cb0-4ed9-807a-fc1b86a6d89b","text_snippet":"17,092","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-200df745-8d98-4727-8f03-846215053459","text_snippet":"12,096","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-17092,"prior_value":-12096.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":1043861,"prior_period_value":1053424.0,"visual_current_value":1043861,"visual_prior_value":1053424.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8c67ea0e-774e-4bd9-aaba-7f7a0f3c8ea9","text_snippet":"1,043,861","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-8453e97d-8b43-4671-a366-e5b8b2e97afa","text_snippet":"1,053,424","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1043861,"prior_value":1053424.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":920884,"prior_period_value":923316.0,"visual_current_value":920884,"visual_prior_value":923316.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-25b2a9d6-eb87-420f-be08-273f6cc5bc74","text_snippet":"920,884","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-b936da40-96e6-461d-bd88-59a6fab46c88","text_snippet":"923,316","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":920884,"prior_value":923316.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":150371,"prior_period_value":160635.0,"visual_current_value":150371,"visual_prior_value":160635.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-9d31adb1-f583-4fa2-ad1e-29b7f6691417","text_snippet":"150,371","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-d83b7803-11ae-4a72-a056-61cd175c4b80","text_snippet":"160,635","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":150371,"prior_value":160635.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":24555,"prior_period_value":9813.0,"visual_current_value":24555,"visual_prior_value":9813.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-7acf0288-fda3-44bc-a81f-258de49f28c2","text_snippet":"24,555","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-00a5faf9-3774-48c6-a413-aa6e524d0e0c","text_snippet":"9,813","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":24555,"prior_value":9813.0},{"tag":"us-gaap:OperatingIncomeLoss","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,7.0,6,8.0,7],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Income (Loss)","current_period_value":-51949,"prior_period_value":-40340.0,"visual_current_value":-51949,"visual_prior_value":-40340.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-39e44732-b0ca-4145-a211-14bb40091949","text_snippet":"51,949","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-a6327158-71c4-4387-91ce-c0a2065cf7fa","text_snippet":"40,340","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-51949,"prior_value":-40340.0},{"tag":"us-gaap:Revenues","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":732327,"prior_period_value":667595.0,"visual_current_value":732327,"visual_prior_value":667595.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-444a34e6-6104-4abd-a74e-c679dce04c41","text_snippet":"732,327","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-dc8dfec5-45d8-4a31-ad05-261c636f883f","text_snippet":"667,595","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":732327,"prior_value":667595.0},{"tag":"us-gaap:Revenues","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":87.3,"prior_period_value":89.3,"visual_current_value":87.3,"visual_prior_value":89.3,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:StatementGeographicalAxis=country:BR|us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"srt:StatementGeographicalAxis","axis_label":"Geography","member":"country:BR","member_label":"BR"},{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_srt_StatementGeographicalAxis_country_BR_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-760dc50f-3da2-46fa-b03c-634ba453811f","text_snippet":"87.3","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_srt_StatementGeographicalAxis_country_BR_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-be6ddd8a-91d8-4452-9032-0bab01462eaf","text_snippet":"89.3","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":87.3,"prior_value":89.3},{"tag":"us-gaap:Revenues","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":470251,"prior_period_value":464860.0,"visual_current_value":470251,"visual_prior_value":464860.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-8b3ffdf4-d278-463a-a55d-7f4646dec760","text_snippet":"470,251","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-724434d8-a1d4-4449-9f0f-64f5abfa0bf6","text_snippet":"464,860","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":470251,"prior_value":464860.0},{"tag":"us-gaap:Revenues","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":186176,"prior_period_value":160837.0,"visual_current_value":186176,"visual_prior_value":160837.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-7f85aae8-d1ff-4158-abe9-1e00abaf61fa","text_snippet":"186,176","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f7ca0736-dd8d-4222-a5e5-e3229735b16e","text_snippet":"160,837","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":186176,"prior_value":160837.0},{"tag":"us-gaap:Revenues","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":75900,"prior_period_value":41898.0,"visual_current_value":75900,"visual_prior_value":41898.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-afa01ce5-f1a5-4b3c-a600-bd4652d62462","text_snippet":"75,900","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-f7716c47-779d-4283-bf32-473d0d12b30e","text_snippet":"41,898","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":75900,"prior_value":41898.0},{"tag":"us-gaap:Revenues","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":2095556,"prior_period_value":1985934.0,"visual_current_value":2095556,"visual_prior_value":1985934.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8b70f2b3-1f91-404e-954e-1f44366ccac6","text_snippet":"2,095,556","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-aaf1ad60-0928-4fa1-9ad9-b4047ac76f42","text_snippet":"1,985,934","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2095556,"prior_value":1985934.0},{"tag":"us-gaap:Revenues","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":257.4,"prior_period_value":279.9,"visual_current_value":257.4,"visual_prior_value":279.9,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"srt:StatementGeographicalAxis=country:BR|us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"srt:StatementGeographicalAxis","axis_label":"Geography","member":"country:BR","member_label":"BR"},{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_srt_StatementGeographicalAxis_country_BR_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-f527ff02-c2b3-4a6c-9560-f273a33f1b38","text_snippet":"257.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_srt_StatementGeographicalAxis_country_BR_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-faa05b2a-5fae-4e98-b987-4c14df01ef3c","text_snippet":"279.9","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":257.4,"prior_value":279.9},{"tag":"us-gaap:Revenues","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":1401052,"prior_period_value":1389563.0,"visual_current_value":1401052,"visual_prior_value":1389563.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-c1a4a8b0-d48d-454c-9675-81611a96ae7a","text_snippet":"1,401,052","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-04070a1a-9059-4970-b6a2-781ddf67fa4d","text_snippet":"1,389,563","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1401052,"prior_value":1389563.0},{"tag":"us-gaap:Revenues","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":503372,"prior_period_value":490867.0,"visual_current_value":503372,"visual_prior_value":490867.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-9d2464f9-30cc-4c0f-b875-b1ed99c01733","text_snippet":"503,372","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-a4c85c01-5d59-428d-916d-093233b40dab","text_snippet":"490,867","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":503372,"prior_value":490867.0},{"tag":"us-gaap:Revenues","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:GrossProfit","weight":1.0,"order":2.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:GrossProfit","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Revenues","current_period_value":191132,"prior_period_value":105504.0,"visual_current_value":191132,"visual_prior_value":105504.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-fb8151ab-e9bf-4d51-858b-b68a1adada71","text_snippet":"191,132","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-52a814d3-5ae0-4c08-8246-fbcedde44b2e","text_snippet":"105,504","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":191132,"prior_value":105504.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":66008,"prior_period_value":60087.0,"visual_current_value":66008,"visual_prior_value":60087.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-e86e5e25-bbcf-4568-809a-a4c1934f92f9","text_snippet":"66,008","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-cecd93c7-bad8-4934-ac7b-6303c49a3c98","text_snippet":"60,087","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":66008,"prior_value":60087.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":30889,"prior_period_value":32114.0,"visual_current_value":30889,"visual_prior_value":32114.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-e12f0a58-fdc4-4a42-8919-124c16ecec20","text_snippet":"30,889","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-be21c04e-6412-423c-ba64-3bdc221f6f9c","text_snippet":"32,114","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":30889,"prior_value":32114.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":16706,"prior_period_value":15258.0,"visual_current_value":16706,"visual_prior_value":15258.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-510da04e-7216-420d-95c9-7fbb6960ca6e","text_snippet":"16,706","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-be0b54d8-7a0f-48fd-b1fb-21fe68eee921","text_snippet":"15,258","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":16706,"prior_value":15258.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":3394,"prior_period_value":2849.0,"visual_current_value":3394,"visual_prior_value":2849.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-c44a922a-c59f-42e8-8c01-161000601ed3","text_snippet":"3,394","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-87c82093-bb71-4119-8494-17a99f9b77c3","text_snippet":"2,849","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3394,"prior_value":2849.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"Q","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":15019,"prior_period_value":9866.0,"visual_current_value":15019,"visual_prior_value":9866.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-9bf5c47c-9930-47e4-b7aa-bf01661f7bc2","text_snippet":"15,019","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-c60e890d-62bc-4c37-97c3-b8d228d7dbb1","text_snippet":"9,866","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":15019,"prior_value":9866.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":203249,"prior_period_value":191161.0,"visual_current_value":203249,"visual_prior_value":191161.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-4faa4de6-c30e-498b-bb33-590d1c760178","text_snippet":"203,249","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-fc58c250-511d-4114-bad8-8311488cf97e","text_snippet":"191,161","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":203249,"prior_value":191161.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":93411,"prior_period_value":100070.0,"visual_current_value":93411,"visual_prior_value":100070.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:DomesticSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:DomesticSiteLeasingRevenueMember","member_label":"Domestic Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-762ddff9-47c0-499c-aca8-e8da4929309f","text_snippet":"93,411","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_DomesticSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-be4bbb37-3b20-47cd-882f-9b605458e492","text_snippet":"100,070","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":93411,"prior_value":100070.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":54933,"prior_period_value":46741.0,"visual_current_value":54933,"visual_prior_value":46741.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-9db37520-c7c8-4724-87ef-3a28136ec5a9","text_snippet":"54,933","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_InternationalSiteLeasingRevenueMember","char_anchor":"ct-nonFraction-9c543427-6467-4610-ade5-4a348c473b90","text_snippet":"46,741","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":54933,"prior_value":46741.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":9674,"prior_period_value":10219.0,"visual_current_value":9674,"visual_prior_value":10219.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:SiteDevelopmentConstructionMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:SiteDevelopmentConstructionMember","member_label":"Site Development [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-ac9eb394-cd79-4695-844f-c5d8fe51dbac","text_snippet":"9,674","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_sbac_SiteDevelopmentConstructionMember","char_anchor":"ct-nonFraction-bfdadc43-a2b8-4a34-bb4b-937ee7299851","text_snippet":"10,219","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":9674,"prior_value":10219.0},{"tag":"us-gaap:SellingGeneralAndAdministrativeExpense","date_type":"YTD","period_type":"duration","presentation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:SegmentReportingInformationLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,7.0,6,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":5.0}],"calculation_role":"disclosuresegmentdatascheduleofsegmentreportinginformationdetails","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":5.0,"section_label":null},{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Selling, General and Administrative Expense","current_period_value":45231,"prior_period_value":34131.0,"visual_current_value":45231,"visual_prior_value":34131.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementBusinessSegmentsAxis=us-gaap:AllOtherSegmentsMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"us-gaap:AllOtherSegmentsMember","member_label":"All Other Segments"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-e62edaca-48e3-4750-af65-e3c88bec4516","text_snippet":"45,231","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementBusinessSegmentsAxis_us-gaap_AllOtherSegmentsMember","char_anchor":"ct-nonFraction-bd74dcb9-bc30-4da3-a63c-288002fa7f34","text_snippet":"34,131","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":45231,"prior_value":34131.0},{"tag":"us-gaap:StockholdersEquityNoteDisclosureTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosureshareholdersequity","presentation_hierarchy":[{"role":"disclosureshareholdersequity","parent":"us-gaap:EquityAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Equity [Text Block]","current_period_value":11,"prior_period_value":11.0,"visual_current_value":11,"visual_prior_value":11.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-2efd3627-9078-4106-b12b-7db9dfb61d60","text_snippet":"11.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-f789c093-3fb3-4523-873c-6eddadd4068b","text_snippet":"11.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":11,"prior_value":11.0},{"tag":"us-gaap:CommonStockDividendsPerShareCashPaid","date_type":"Q","period_type":"duration","presentation_role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","presentation_hierarchy":[{"role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","parent":"us-gaap:DividendsPayableLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Common Stock, Dividends, Per Share, Cash Paid","current_period_value":1.11,"prior_period_value":null,"visual_current_value":1.11,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DividendsAxis=sbac:O2025Q3DividendsMember","dimensions":[{"axis":"us-gaap:DividendsAxis","axis_label":"Dividends","member":"sbac:O2025Q3DividendsMember","member_label":"O2025 Q3 Dividends [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DividendsAxis_sbac_O2025Q3DividendsMember","char_anchor":"ct-nonFraction-ffe7d1be-f9f7-4203-8d24-86134c604cbd","text_snippet":"1.11","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":null,"current_value":1.11,"prior_value":null},{"tag":"us-gaap:DividendsCash","date_type":"Q","period_type":"duration","presentation_role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","presentation_hierarchy":[{"role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","parent":"us-gaap:DividendsPayableLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Dividends, Cash","current_period_value":119.1,"prior_period_value":null,"visual_current_value":119.1,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DividendsAxis=sbac:O2025Q3DividendsMember","dimensions":[{"axis":"us-gaap:DividendsAxis","axis_label":"Dividends","member":"sbac:O2025Q3DividendsMember","member_label":"O2025 Q3 Dividends [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_DividendsAxis_sbac_O2025Q3DividendsMember","char_anchor":"ct-nonFraction-4d594b74-4bf6-4b71-96ff-8d661ece122b","text_snippet":"119.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":119.1,"prior_value":null},{"tag":"us-gaap:Dividends","date_type":"Q","period_type":"duration","presentation_role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":11.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,11.0,10],"section_concept":null,"section_label":null},{"role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","parent":"us-gaap:DividendsPayableLineItems","order":7.0,"global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Dividends","current_period_value":119862,"prior_period_value":105963.0,"visual_current_value":-119862,"visual_prior_value":-105963.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-68149392-de60-4ca3-91e3-a86f3baa3e21","text_snippet":"119,862","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-27c006ff-3f10-42b7-8ab3-dc22ce03149c","text_snippet":"105,963","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-119862,"prior_value":-105963.0},{"tag":"us-gaap:Dividends","date_type":"Q","period_type":"duration","presentation_role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":11.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,11.0,10],"section_concept":null,"section_label":null},{"role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","parent":"us-gaap:DividendsPayableLineItems","order":7.0,"global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Dividends","current_period_value":119862,"prior_period_value":105963.0,"visual_current_value":-119862,"visual_prior_value":-105963.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:RetainedEarningsMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:RetainedEarningsMember","member_label":"Retained Earnings"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-43755bff-ce09-4b8b-b426-4fdb4e3af588","text_snippet":"119,862","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-b4513122-7334-462d-8967-57812944d362","text_snippet":"105,963","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-119862,"prior_value":-105963.0},{"tag":"us-gaap:Dividends","date_type":"YTD","period_type":"duration","presentation_role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":11.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,11.0,10],"section_concept":null,"section_label":null},{"role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","parent":"us-gaap:DividendsPayableLineItems","order":7.0,"global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Dividends","current_period_value":360615,"prior_period_value":318871.0,"visual_current_value":-360615,"visual_prior_value":-318871.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8a7af248-c647-4f32-a4dd-427d55e90d87","text_snippet":"360,615","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f0f3ba15-f1a1-4c84-983d-27b4e6a5abcc","text_snippet":"318,871","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-360615,"prior_value":-318871.0},{"tag":"us-gaap:Dividends","date_type":"YTD","period_type":"duration","presentation_role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":11.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,11.0,10],"section_concept":null,"section_label":null},{"role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","parent":"us-gaap:DividendsPayableLineItems","order":7.0,"global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Dividends","current_period_value":360615,"prior_period_value":318871.0,"visual_current_value":-360615,"visual_prior_value":-318871.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:RetainedEarningsMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:RetainedEarningsMember","member_label":"Retained Earnings"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-94c28714-6ec5-44e6-9781-462b35d26e53","text_snippet":"360,615","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-f27c21b1-5760-4639-9587-3d15bcb2f877","text_snippet":"318,871","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-360615,"prior_value":-318871.0},{"tag":"us-gaap:Dividends","date_type":"YTD","period_type":"duration","presentation_role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":11.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,11.0,10],"section_concept":null,"section_label":null},{"role":"disclosureshareholdersequityscheduleofdividendspaidanddividendsdeclareddetails","parent":"us-gaap:DividendsPayableLineItems","order":7.0,"global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Dividends","current_period_value":2.4,"prior_period_value":null,"visual_current_value":-2.4,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:DividendsAxis=sbac:O2025Q1DividendsMember","dimensions":[{"axis":"us-gaap:DividendsAxis","axis_label":"Dividends","member":"sbac:O2025Q1DividendsMember","member_label":"O2025 Q1 Dividends [Member]"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_DividendsAxis_sbac_O2025Q1DividendsMember","char_anchor":"ct-nonFraction-e93f1925-554f-4225-a74f-32eb3eb9c72c","text_snippet":"2.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":-2.4,"prior_value":null},{"tag":"us-gaap:TreasuryStockAcquiredAverageCostPerShare","date_type":"YTD","period_type":"duration","presentation_role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","presentation_hierarchy":[{"role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","parent":"us-gaap:EquityClassOfTreasuryStockLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Shares Acquired, Average Cost Per Share","current_period_value":208.61,"prior_period_value":213.85,"visual_current_value":208.61,"visual_prior_value":213.85,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-421081bf-0f0b-4afe-9614-d8a123fbffe4","text_snippet":"208.61","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-34cc38a9-ec77-485c-ae76-e202e53d2dce","text_snippet":"213.85","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":208.61,"prior_value":213.85},{"tag":"us-gaap:TreasuryStockAcquiredAverageCostPerShare","date_type":"Q","period_type":"duration","presentation_role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","presentation_hierarchy":[{"role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","parent":"us-gaap:EquityClassOfTreasuryStockLineItems","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Shares Acquired, Average Cost Per Share","current_period_value":206.13,"prior_period_value":null,"visual_current_value":206.13,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-a1680877-e601-48e7-b41a-8ab348a8bc91","text_snippet":"206.13","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":null,"current_value":206.13,"prior_value":null},{"tag":"us-gaap:TreasuryStockSharesAcquired","date_type":"YTD","period_type":"duration","presentation_role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","presentation_hierarchy":[{"role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","parent":"us-gaap:EquityClassOfTreasuryStockLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Treasury Stock, Shares, Acquired","current_period_value":1.4,"prior_period_value":0.9,"visual_current_value":1.4,"visual_prior_value":0.9,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-11727cf7-406d-493c-a5f6-a1a1adcf1caf","text_snippet":"1.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-6de729c8-3781-41ab-a527-3c415d90f97d","text_snippet":"0.9","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":1.4,"prior_value":0.9},{"tag":"us-gaap:TreasuryStockSharesAcquired","date_type":"Q","period_type":"duration","presentation_role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","presentation_hierarchy":[{"role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","parent":"us-gaap:EquityClassOfTreasuryStockLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Treasury Stock, Shares, Acquired","current_period_value":0.7,"prior_period_value":null,"visual_current_value":0.7,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-21e8f677-7ea6-47bb-a4f0-38abb3a25689","text_snippet":"0.7","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":0.7,"prior_value":null},{"tag":"us-gaap:TreasuryStockValueAcquiredCostMethod","date_type":"YTD","period_type":"duration","presentation_role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","presentation_hierarchy":[{"role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","parent":"us-gaap:EquityClassOfTreasuryStockLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Treasury Stock, Value, Acquired, Cost Method","current_period_value":284.8,"prior_period_value":200.0,"visual_current_value":284.8,"visual_prior_value":200.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-a2bd8226-9794-432c-9193-33af8f0f8dcc","text_snippet":"284.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-37c79b2f-5d2b-43c1-a6db-0ba4ec872c76","text_snippet":"200.0","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":284.8,"prior_value":200.0},{"tag":"us-gaap:TreasuryStockValueAcquiredCostMethod","date_type":"Q","period_type":"duration","presentation_role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","presentation_hierarchy":[{"role":"disclosureshareholdersequitysummaryofsharerepurchasesdetails","parent":"us-gaap:EquityClassOfTreasuryStockLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Treasury Stock, Value, Acquired, Cost Method","current_period_value":154.1,"prior_period_value":null,"visual_current_value":154.1,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-d31a34eb-3409-44b0-b801-b63c5d6dffd8","text_snippet":"154.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"millions","current_value":154.1,"prior_value":null},{"tag":"us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensation","presentation_hierarchy":[{"role":"disclosurestockbasedcompensation","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Payment Arrangement [Text Block]","current_period_value":12,"prior_period_value":12.0,"visual_current_value":12,"visual_prior_value":12.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-8a0225b1-ee73-47df-b567-419d0b04f666","text_snippet":"12.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-7957273d-d748-4c2f-8bab-66131e339300","text_snippet":"12.","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":12,"prior_value":12.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationnarrativedetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationnarrativedetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value","current_period_value":27.3,"prior_period_value":16.6,"visual_current_value":27.3,"visual_prior_value":16.6,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-3ef56d24-94e0-495b-a91a-18d232b4ccdf","text_snippet":"27.3","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-c002fe87-ca32-4496-a2da-197947f4a5f7","text_snippet":"16.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"millions","current_value":27.3,"prior_value":16.6},{"tag":"sbac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsInPeriodWeightedAverageGrantDateFairValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Weighted-Average Grant Date Fair Value per Share, Adjustment","current_period_value":386.22,"prior_period_value":236.63,"visual_current_value":386.22,"visual_prior_value":236.63,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-6198f367-a8ae-4430-a1bd-f14f071f7e6b","text_snippet":"386.22","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-8ea102ef-5ba1-4d8e-a90e-2c56ca8b789c","text_snippet":"236.63","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":386.22,"prior_value":236.63},{"tag":"sbac:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedAdjustment","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Number of Shares, Adjustment","current_period_value":10,"prior_period_value":11.0,"visual_current_value":10,"visual_prior_value":11.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-36fe76ef-0c55-47b6-9f90-7d0443910a28","text_snippet":"10","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-9b0e14dd-86af-4f18-abdd-485624f862f0","text_snippet":"11","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":10,"prior_value":11.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period","current_period_value":8,"prior_period_value":5.0,"visual_current_value":-8,"visual_prior_value":-5.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-8c1b9480-b31b-4d0d-8a97-a0983c4ff52f","text_snippet":"8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-660fc1ea-28c2-46b0-ba4d-d37df59f03e0","text_snippet":"5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-8,"prior_value":-5.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period","current_period_value":24,"prior_period_value":17.0,"visual_current_value":-24,"visual_prior_value":-17.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-91899a90-2a1e-4d52-a48a-09a44bcf9aa0","text_snippet":"24","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-e281a5fd-ceca-4080-a06d-88490055d8d1","text_snippet":"17","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-24,"prior_value":-17.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value","current_period_value":246.05,"prior_period_value":361.2,"visual_current_value":246.05,"visual_prior_value":361.2,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-44501a37-d8b2-4d89-9586-d0f1cc662d28","text_snippet":"246.05","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-fa7c0180-f6ee-461c-af42-91e65e279b7d","text_snippet":"361.20","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":246.05,"prior_value":361.2},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value","current_period_value":223.72,"prior_period_value":240.54,"visual_current_value":223.72,"visual_prior_value":240.54,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-b0cc60e8-7c29-4509-8ffa-6add06314cf2","text_snippet":"223.72","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-cbe809bd-24e8-4464-8fbe-c7820f81ed10","text_snippet":"240.54","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":223.72,"prior_value":240.54},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period","current_period_value":66,"prior_period_value":59.0,"visual_current_value":66,"visual_prior_value":59.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-47386561-3505-444b-9c85-37fcacf621be","text_snippet":"66","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-7b8a6d2b-c8c6-43dd-a62b-499477edbc30","text_snippet":"59","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":66,"prior_value":59.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period","current_period_value":290,"prior_period_value":271.0,"visual_current_value":290,"visual_prior_value":271.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-c2bd61d9-d8ae-4921-a17f-7af7a54fb841","text_snippet":"290","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-c98b6333-5c18-4e7f-8b54-0cd5b59c27c3","text_snippet":"271","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":290,"prior_value":271.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value","current_period_value":237.91,"prior_period_value":291.51,"visual_current_value":237.91,"visual_prior_value":291.51,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-f5c4695d-290c-4361-aeb3-ef9b7e59586e","text_snippet":"237.91","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-ab47d815-4877-456b-a0b5-a54c16b1391f","text_snippet":"291.51","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":237.91,"prior_value":291.51},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value","current_period_value":218.96,"prior_period_value":216.26,"visual_current_value":218.96,"visual_prior_value":216.26,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-65a5e194-327c-4ad3-b2d6-47abeea1f72a","text_snippet":"218.96","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-fb961419-0359-41c7-9152-4d508ebf306f","text_snippet":"216.26","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":218.96,"prior_value":216.26},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number","current_period_value":206,"prior_period_value":278.0,"visual_current_value":206,"visual_prior_value":278.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-a03877f7-13d6-40f5-a788-2cf0a25f4bc6","text_snippet":"206","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-7d0a66f7-5a9d-4003-8513-d6968028f1bb","text_snippet":"278","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":206,"prior_value":278.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number","current_period_value":490,"prior_period_value":404.0,"visual_current_value":490,"visual_prior_value":404.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-a92535f3-cbba-4631-afda-856b99b080f1","text_snippet":"490","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-c6d41674-4a25-4c83-86fe-63e1cf9146bc","text_snippet":"404","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":490,"prior_value":404.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":7.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,2.0,1,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value","current_period_value":245.29,"prior_period_value":313.75,"visual_current_value":245.29,"visual_prior_value":313.75,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-c27c2258-475d-4d66-8ab1-ef0f6ad9ef89","text_snippet":"245.29","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-5a1ab3dc-a3c7-4172-8202-f25904ee8d36","text_snippet":"313.75","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":245.29,"prior_value":313.75},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":7.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,2.0,1,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value","current_period_value":221.29,"prior_period_value":234.15,"visual_current_value":221.29,"visual_prior_value":234.15,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-47301d47-0bdf-46bd-84ea-955f4f3d8071","text_snippet":"221.29","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-a8a945ed-f06f-40e9-9c65-bc2c7394bf0a","text_snippet":"234.15","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":221.29,"prior_value":234.15},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":4.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period","current_period_value":137,"prior_period_value":155.0,"visual_current_value":-137,"visual_prior_value":-155.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-614241eb-ead1-4712-968d-54091c01c0f9","text_snippet":"137","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-013ae139-5c64-4421-bd90-49f57c3aaa06","text_snippet":"155","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-137,"prior_value":-155.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":4.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period","current_period_value":169,"prior_period_value":117.0,"visual_current_value":-169,"visual_prior_value":-117.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-5bf80b6e-dcd8-42ab-ad97-ada24ec44fe3","text_snippet":"169","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-3b2671bf-a923-4cc3-b3c0-93bf1b44013d","text_snippet":"117","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-169,"prior_value":-117.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value","current_period_value":339.43,"prior_period_value":236.32,"visual_current_value":339.43,"visual_prior_value":236.32,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:PerformanceSharesMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:PerformanceSharesMember","member_label":"Performance Shares"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-68ac1ccd-6bd0-4921-b2fe-354ecedabedd","text_snippet":"339.43","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember","char_anchor":"ct-nonFraction-df8672bb-a4a2-4f13-bcbc-450959682982","text_snippet":"236.32","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":339.43,"prior_value":236.32},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofrestrictedstockunitandperformancebasedrestrictedstockunitactivitydetails","parent":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value","current_period_value":247.65,"prior_period_value":271.06,"visual_current_value":247.65,"visual_prior_value":271.06,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:AwardTypeAxis=us-gaap:RestrictedStockUnitsRSUMember","dimensions":[{"axis":"us-gaap:AwardTypeAxis","axis_label":"Award Type","member":"us-gaap:RestrictedStockUnitsRSUMember","member_label":"Restricted Stock Units RSU"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-e066e7cb-5040-41a1-bd0a-4f7c296f1775","text_snippet":"247.65","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_AwardTypeAxis_us-gaap_RestrictedStockUnitsRSUMember","char_anchor":"ct-nonFraction-45536494-5671-4881-a797-00d70ff80062","text_snippet":"271.06","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":247.65,"prior_value":271.06},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number","current_period_value":547,"prior_period_value":1115.0,"visual_current_value":547,"visual_prior_value":1115.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-d4b57946-3f4e-4680-9f40-53b84b209d7a","text_snippet":"547","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-8d71b776-c324-42ec-bc02-7a2471390515","text_snippet":"1,115","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":547,"prior_value":1115.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":11.0,"preferred_label_role":"terseLabel","global_sort_position":[0,11.0,10],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price","current_period_value":185.04,"prior_period_value":172.68,"visual_current_value":185.04,"visual_prior_value":172.68,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-b7198411-f86b-497c-8e3e-ab44169098e9","text_snippet":"185.04","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-c005a4c0-c4b8-44ec-a7cb-c2803f9af752","text_snippet":"172.68","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":185.04,"prior_value":172.68},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":3.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period","current_period_value":1,"prior_period_value":2.0,"visual_current_value":-1,"visual_prior_value":-2.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-74d6130a-f946-4da2-a593-f12324368d1e","text_snippet":"1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-ba5b322d-c86c-49de-9ee8-1996a1760df6","text_snippet":"2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-1,"prior_value":-2.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":16.0,"preferred_label_role":"terseLabel","global_sort_position":[0,16.0,15],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value","current_period_value":5818,"prior_period_value":76424.0,"visual_current_value":5818,"visual_prior_value":76424.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-fe9a235d-cb7c-4e9d-8aff-4c6e81bc736f","text_snippet":"5,818","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-5b25fe8f-698b-415d-a154-33857ee5d478","text_snippet":"76,424","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":5818,"prior_value":76424.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number","current_period_value":563,"prior_period_value":1137.0,"visual_current_value":563,"visual_prior_value":1137.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-95d178c8-3d09-45e7-8d97-38a21b143a73","text_snippet":"563","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-c240cba8-0a52-4640-9fe4-46cb60eeaf82","text_snippet":"1,137","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":563,"prior_value":1137.0},{"tag":"us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":7.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price","current_period_value":186.9,"prior_period_value":174.24,"visual_current_value":186.9,"visual_prior_value":174.24,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-ed535aba-4c44-4090-b4da-50acac692da9","text_snippet":"186.90","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-158e600b-0be1-494c-bded-775db46361fa","text_snippet":"174.24","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":186.9,"prior_value":174.24},{"tag":"us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price","current_period_value":161.64,"prior_period_value":134.67,"visual_current_value":161.64,"visual_prior_value":134.67,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-4d259d7d-9f85-4e2e-a830-d13e01a13510","text_snippet":"161.64","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-ac107773-504b-4f08-a5a6-2358be4a9cb8","text_snippet":"134.67","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":161.64,"prior_value":134.67},{"tag":"us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":9.0,"preferred_label_role":"terseLabel","global_sort_position":[0,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price","current_period_value":198.72,"prior_period_value":197.91,"visual_current_value":198.72,"visual_prior_value":197.91,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f001d00c-f565-4998-b409-f816adc8bfea","text_snippet":"198.72","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-adb6f1e0-2d0a-4298-812c-91fd1ba58895","text_snippet":"197.91","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":198.72,"prior_value":197.91},{"tag":"us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":17.0,"preferred_label_role":"terseLabel","global_sort_position":[0,17.0,16],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value","current_period_value":5818,"prior_period_value":76160.0,"visual_current_value":5818,"visual_prior_value":76160.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-075dd04e-a72f-4133-b13e-848eaca2a7c9","text_snippet":"5,818","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-b0ef3291-10f0-4c4d-815e-d7e11c8e1d3c","text_snippet":"76,160","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":5818,"prior_value":76160.0},{"tag":"us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":14.0,"preferred_label_role":"terseLabel","global_sort_position":[0,14.0,13],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term","current_period_value":0.6,"prior_period_value":1.1,"visual_current_value":0.6,"visual_prior_value":1.1,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-741eb9b6-01dd-43b8-b704-e5b10d9d34cf","text_snippet":"0.6","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-e4b4c248-b1f2-45b7-9e29-cd62e1033c10","text_snippet":"1.1","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":0.6,"prior_value":1.1},{"tag":"us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares","current_period_value":16,"prior_period_value":22.0,"visual_current_value":16,"visual_prior_value":22.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-9d1fe8de-43f3-46d7-892b-0be86954976d","text_snippet":"16","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-73f5155b-c951-4241-9702-b7e77d42e796","text_snippet":"22","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":16,"prior_value":22.0},{"tag":"us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue","date_type":"Q","period_type":"instant","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price","current_period_value":250.43,"prior_period_value":252.81,"visual_current_value":250.43,"visual_prior_value":252.81,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-9cb7795f-4d58-4897-9d9c-bca8d3eab6c6","text_snippet":"250.43","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-0fdff47e-d81c-4242-9a1b-bad8eb47d23f","text_snippet":"252.81","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":250.43,"prior_value":252.81},{"tag":"us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":13.0,"preferred_label_role":"terseLabel","global_sort_position":[0,13.0,12],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term","current_period_value":0.8,"prior_period_value":1.2,"visual_current_value":0.8,"visual_prior_value":1.2,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-a17afa5c-89e7-433e-baec-9a1ba234bb47","text_snippet":"0.8","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-b4d96fe0-87e4-46ac-934f-c91460ecc252","text_snippet":"1.2","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":0.8,"prior_value":1.2},{"tag":"us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":15.0,"preferred_label_role":"terseLabel","global_sort_position":[0,15.0,14],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term","current_period_value":7.4,"prior_period_value":8.3,"visual_current_value":7.4,"visual_prior_value":8.3,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-d6c1398e-f39f-4247-8527-fe9a7b1793ec","text_snippet":"7.4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-395ea359-550d-4557-92bb-02a8ab6ba2bf","text_snippet":"8.3","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":null,"current_value":7.4,"prior_value":8.3},{"tag":"us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised","date_type":"YTD","period_type":"duration","presentation_role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","presentation_hierarchy":[{"role":"disclosurestockbasedcompensationsummaryofstockoptionactivitydetails","parent":"us-gaap:DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period","current_period_value":524,"prior_period_value":201.0,"visual_current_value":-524,"visual_prior_value":-201.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-878a035f-c119-4f13-9a5f-9637d661b9e1","text_snippet":"524","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-4649e8e8-7e68-408a-90aa-4a742eb56583","text_snippet":"201","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-524,"prior_value":-201.0},{"tag":"dei:CityAreaCode","date_type":"YTD","period_type":"duration","presentation_role":"documentdocumentandentityinformation","presentation_hierarchy":[{"role":"documentdocumentandentityinformation","parent":"dei:CoverAbstract","order":15.0,"global_sort_position":[0,15.0,14],"section_concept":null,"section_label":null}],"concept_label":"City Area Code","current_period_value":561,"prior_period_value":561.0,"visual_current_value":561,"visual_prior_value":561.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-36a94e94-619b-40ee-97f7-0b4414f5ab00","text_snippet":"561","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-583d0f53-f2b3-499e-88df-12694fa4ab74","text_snippet":"561","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":561,"prior_value":561.0},{"tag":"dei:DocumentFiscalYearFocus","date_type":"YTD","period_type":"duration","presentation_role":"documentdocumentandentityinformation","presentation_hierarchy":[{"role":"documentdocumentandentityinformation","parent":"dei:CoverAbstract","order":5.0,"global_sort_position":[0,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Document Fiscal Year Focus","current_period_value":2025,"prior_period_value":2024.0,"visual_current_value":2025,"visual_prior_value":2024.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-7e048c24-5e17-4dc0-964f-5fa2a1fc8797","text_snippet":"2025","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-acb1cc55-d199-4c53-95ca-0830aa29726f","text_snippet":"2024","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":2025,"prior_value":2024.0},{"tag":"dei:EntityAddressPostalZipCode","date_type":"YTD","period_type":"duration","presentation_role":"documentdocumentandentityinformation","presentation_hierarchy":[{"role":"documentdocumentandentityinformation","parent":"dei:CoverAbstract","order":14.0,"global_sort_position":[0,14.0,13],"section_concept":null,"section_label":null}],"concept_label":"Entity Address Postal Zip Code","current_period_value":33487,"prior_period_value":33487.0,"visual_current_value":33487,"visual_prior_value":33487.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-b265d3b9-f5a9-42af-b781-46deb68b5275","text_snippet":"33487","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-5fe99680-b07e-4227-a8ff-212d799eac10","text_snippet":"33487","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":33487,"prior_value":33487.0},{"tag":"dei:EntityCentralIndexKey","date_type":"YTD","period_type":"duration","presentation_role":"documentdocumentandentityinformation","presentation_hierarchy":[{"role":"documentdocumentandentityinformation","parent":"dei:CoverAbstract","order":29.0,"global_sort_position":[0,29.0,28],"section_concept":null,"section_label":null}],"concept_label":"Entity Central Index Key","current_period_value":1034054,"prior_period_value":1034054.0,"visual_current_value":1034054,"visual_prior_value":1034054.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonNumeric-62388e76-b189-41da-855d-500201f0b18b","text_snippet":"0001034054","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonNumeric-e67a18aa-eaa8-4383-86ee-0111e992811a","text_snippet":"0001034054","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":1034054,"prior_value":1034054.0},{"tag":"sbac:AcquiredAndOtherRightOfUseAssetsNet","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":5.0,"section_label":null}],"concept_label":"Acquired and other right-of-use assets, net","current_period_value":1349714,"prior_period_value":1379281.0,"visual_current_value":1349714,"visual_prior_value":1379281.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-713e443f-719b-4771-8781-5de90da29614","text_snippet":"1,349,714","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-3fe77351-1e21-41f6-a0d5-8fa2923cd88e","text_snippet":"1,379,281","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1349714,"prior_value":1379281.0},{"tag":"sbac:LeaseLiabilityCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,6.0,5],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrent","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesCurrent","calculation_weight":1.0,"calculation_order":6.0,"section_label":"Current Liabilities"}],"concept_label":"Current lease liabilities","current_period_value":291537,"prior_period_value":270922.0,"visual_current_value":291537,"visual_prior_value":270922.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-ac9fb277-3b73-4d31-ba25-5ce75cc4cfec","text_snippet":"291,537","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-a853775a-b735-4086-88a2-00a694f4138e","text_snippet":"270,922","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":291537,"prior_value":270922.0},{"tag":"sbac:LeaseLiabilityNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesNoncurrentAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1,2.0,1],"section_concept":"us-gaap:LiabilitiesNoncurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesNoncurrent","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesNoncurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Non-Current Liabilities"}],"concept_label":"Long-term lease liabilities","current_period_value":2019508,"prior_period_value":1930943.0,"visual_current_value":2019508,"visual_prior_value":1930943.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-6d293dd7-cfcc-4c00-8f4b-0965a09c93ea","text_snippet":"2,019,508","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-b68daa62-e6a6-4472-bb56-bea8d8c01172","text_snippet":"1,930,943","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2019508,"prior_value":1930943.0},{"tag":"us-gaap:AccountsPayableCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,1.0,0],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrent","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesCurrent","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Current Liabilities"}],"concept_label":"Accounts Payable, Current","current_period_value":219725,"prior_period_value":54438.0,"visual_current_value":219725,"visual_prior_value":54438.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-bb0fe8a5-e917-4d80-950f-f1b4f1521b6a","text_snippet":"219,725","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-1c6bf5f6-f33c-4299-95d1-39477126e3f3","text_snippet":"54,438","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":219725,"prior_value":54438.0},{"tag":"us-gaap:AccountsReceivableNetCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0,3.0,2],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrent","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:AssetsCurrent","calculation_weight":1.0,"calculation_order":3.0,"section_label":"Current Assets"}],"concept_label":"Accounts Receivable, after Allowance for Credit Loss, Current","current_period_value":158126,"prior_period_value":111018.0,"visual_current_value":158126,"visual_prior_value":111018.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-349c94a6-7e30-43d4-ac59-27f001a39d0d","text_snippet":"158,126","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-e2da559c-397c-4694-a70f-de6df3de34ed","text_snippet":"111,018","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":158126,"prior_value":111018.0},{"tag":"us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3,5.0,4],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquity","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:StockholdersEquity","calculation_weight":1.0,"calculation_order":5.0,"section_label":"Stockholders' Equity"}],"concept_label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","current_period_value":-688098,"prior_period_value":-723648.0,"visual_current_value":-688098,"visual_prior_value":-723648.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-ee0435b6-a1bb-4818-b9fd-fe85f9b44bb4","text_snippet":"688,098","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-8af5fc89-b557-41a4-b920-7967ad59130a","text_snippet":"723,648","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-688098,"prior_value":-723648.0},{"tag":"us-gaap:AdditionalPaidInCapital","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3,3.0,2],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquity","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:StockholdersEquity","calculation_weight":1.0,"calculation_order":3.0,"section_label":"Stockholders' Equity"}],"concept_label":"Additional Paid in Capital","current_period_value":3038027,"prior_period_value":2941520.0,"visual_current_value":3038027,"visual_prior_value":2941520.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-634c3896-990b-44e8-8119-a6669526c0ee","text_snippet":"3,038,027","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-448d10f3-6c5d-4a83-a3cb-d637f639db4b","text_snippet":"2,941,520","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3038027,"prior_value":2941520.0},{"tag":"us-gaap:AssetsCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsCurrentAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,1.0,0,6.0,5],"section_concept":"us-gaap:AssetsCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Current Assets"}],"concept_label":"Assets, Current","current_period_value":812524,"prior_period_value":450267.0,"visual_current_value":812524,"visual_prior_value":450267.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-77c6a930-aad4-4684-9678-23acb3e7a5cb","text_snippet":"812,524","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-c125c1d7-4964-4e80-b33f-0ff46e50f04d","text_snippet":"450,267","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":812524,"prior_value":450267.0},{"tag":"us-gaap:CommonStockValue","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3,2.0,1],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquity","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:StockholdersEquity","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Stockholders' Equity"}],"concept_label":"Common Stock, Value, Issued","current_period_value":1068,"prior_period_value":1075.0,"visual_current_value":1068,"visual_prior_value":1075.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-02c5ee1b-7389-4f60-a683-b09f54322dcd","text_snippet":"1,068","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-db5259b5-851b-4935-bb8b-9be42c9be018","text_snippet":"1,075","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1068,"prior_value":1075.0},{"tag":"us-gaap:DeferredRevenueCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,4.0,3],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrent","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesCurrent","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Current Liabilities"}],"concept_label":"Deferred Revenue, Current","current_period_value":132336,"prior_period_value":183978.0,"visual_current_value":132336,"visual_prior_value":183978.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-4e3c8ec0-3c82-4f61-b794-71e3ae138626","text_snippet":"132,336","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-75c4437a-50b1-4e7a-93b8-8148c51bf9c1","text_snippet":"183,978","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":132336,"prior_value":183978.0},{"tag":"us-gaap:InterestPayableCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,5.0,4],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrent","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesCurrent","calculation_weight":1.0,"calculation_order":5.0,"section_label":"Current Liabilities"}],"concept_label":"Interest Payable, Current","current_period_value":37845,"prior_period_value":32088.0,"visual_current_value":37845,"visual_prior_value":32088.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-55c5d5b3-f2b2-4bbd-92b5-695daa6a75e7","text_snippet":"37,845","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-0feab69b-23e1-479f-a5cc-3a32600f5a26","text_snippet":"32,088","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":37845,"prior_value":32088.0},{"tag":"us-gaap:LiabilitiesAndStockholdersEquity","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquityAbstract","order":5.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Liabilities and Equity","current_period_value":11260239,"prior_period_value":10201663.0,"visual_current_value":11260239,"visual_prior_value":10201663.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-7eccd4ae-248e-4cca-bf48-036b3e374300","text_snippet":"11,260,239","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-f5654369-bd28-4dda-acd8-4cbf99a632e2","text_snippet":"10,201,663","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":11260239,"prior_value":10201663.0},{"tag":"us-gaap:LiabilitiesCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,1.0,0,8.0,7],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Current Liabilities"}],"concept_label":"Liabilities, Current","current_period_value":1610968,"prior_period_value":667843.0,"visual_current_value":1610968,"visual_prior_value":667843.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-49df2e7b-cdc8-47f4-b310-a96f82082abc","text_snippet":"1,610,968","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-214e33de-63c4-4798-b911-1b65ecac2ced","text_snippet":"667,843","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1610968,"prior_value":667843.0},{"tag":"us-gaap:LiabilitiesNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesNoncurrentAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,2.0,1,4.0,3],"section_concept":"us-gaap:LiabilitiesNoncurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Non-Current Liabilities"}],"concept_label":"Liabilities, Noncurrent","current_period_value":14506649,"prior_period_value":14659580.0,"visual_current_value":14506649,"visual_prior_value":14659580.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-49b4d56d-2658-4750-9673-7ea0415b70e0","text_snippet":"14,506,649","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-f9596126-8882-4a88-89b1-fa59b6e2878c","text_snippet":"14,659,580","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":14506649,"prior_value":14659580.0},{"tag":"us-gaap:OperatingLeaseRightOfUseAsset","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:AssetsAbstract","order":4.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,1.0,0,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:Assets","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:Assets","calculation_weight":1.0,"calculation_order":4.0,"section_label":null}],"concept_label":"Operating Lease, Right-of-Use Asset","current_period_value":2435273,"prior_period_value":2322890.0,"visual_current_value":2435273,"visual_prior_value":2322890.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-3576c7f5-0788-4cd9-b945-5582076d2865","text_snippet":"2,435,273","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-ff70880a-0df2-4275-aafe-9add6c431d4a","text_snippet":"2,322,890","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2435273,"prior_value":2322890.0},{"tag":"us-gaap:OtherLiabilitiesCurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrentAbstract","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,7.0,6],"section_concept":"us-gaap:LiabilitiesCurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesCurrent","weight":1.0,"order":7.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesCurrent","calculation_weight":1.0,"calculation_order":7.0,"section_label":"Current Liabilities"}],"concept_label":"Other Liabilities, Current","current_period_value":59427,"prior_period_value":14105.0,"visual_current_value":59427,"visual_prior_value":14105.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-6d2c4f06-eccd-4aa4-8ed3-d1eaa9b5d707","text_snippet":"59,427","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-14b2bc95-a7f2-4d0d-8b11-092deb12d395","text_snippet":"14,105","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":59427,"prior_value":14105.0},{"tag":"us-gaap:OtherLiabilitiesNoncurrent","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesNoncurrentAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,2.0,1,3.0,2],"section_concept":"us-gaap:LiabilitiesNoncurrentAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesNoncurrent","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesNoncurrent","calculation_weight":1.0,"calculation_order":3.0,"section_label":"Non-Current Liabilities"}],"concept_label":"Other Liabilities, Noncurrent","current_period_value":554222,"prior_period_value":432158.0,"visual_current_value":554222,"visual_prior_value":432158.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-7e05af70-6397-4372-af57-ac1dfa78c48a","text_snippet":"554,222","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-5c9df7fc-d646-4a6c-83fc-b0f11a6b1ff6","text_snippet":"432,158","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":554222,"prior_value":432158.0},{"tag":"us-gaap:RetainedEarningsAccumulatedDeficit","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3,4.0,3],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquity","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:StockholdersEquity","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Stockholders' Equity"}],"concept_label":"Retained Earnings (Accumulated Deficit)","current_period_value":-7284980,"prior_period_value":-7393799.0,"visual_current_value":-7284980,"visual_prior_value":-7393799.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-c8d2112c-9563-4f86-bb27-ef61e712e458","text_snippet":"7,284,980","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-b4e83a84-1d8d-46ef-b5a7-e6269ba4568c","text_snippet":"7,393,799","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-7284980,"prior_value":-7393799.0},{"tag":"us-gaap:CommonStockParOrStatedValuePerShare","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheetsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheetsparenthetical","parent":"us-gaap:StatementOfFinancialPositionAbstract","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Common Stock, Par or Stated Value Per Share","current_period_value":0.01,"prior_period_value":0.01,"visual_current_value":0.01,"visual_prior_value":0.01,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-f840380e-913b-405e-b301-b34a77815736","text_snippet":"0.01","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-a8edc196-e83b-4d8e-8382-9581247e9ec2","text_snippet":"0.01","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":0.01,"prior_value":0.01},{"tag":"us-gaap:CommonStockSharesAuthorized","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheetsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheetsparenthetical","parent":"us-gaap:StatementOfFinancialPositionAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Common Stock, Shares Authorized","current_period_value":400000,"prior_period_value":400000.0,"visual_current_value":400000,"visual_prior_value":400000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-43726b5c-63bd-424f-834c-d02fc5adc4f7","text_snippet":"400,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-d369781a-d859-4eae-8801-2749a6980871","text_snippet":"400,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":400000,"prior_value":400000.0},{"tag":"us-gaap:CommonStockSharesIssued","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheetsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheetsparenthetical","parent":"us-gaap:StatementOfFinancialPositionAbstract","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,7.0,6],"section_concept":null,"section_label":null}],"concept_label":"Common Stock, Shares, Issued","current_period_value":106773,"prior_period_value":107506.0,"visual_current_value":106773,"visual_prior_value":107506.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-47485093-649b-4a07-8209-498e70a7c268","text_snippet":"106,773","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-f7bd4847-847d-4c3e-b19d-6a506449981a","text_snippet":"107,506","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":106773,"prior_value":107506.0},{"tag":"us-gaap:PreferredStockParOrStatedValuePerShare","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheetsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheetsparenthetical","parent":"us-gaap:StatementOfFinancialPositionAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Preferred Stock, Par or Stated Value Per Share","current_period_value":0.01,"prior_period_value":0.01,"visual_current_value":0.01,"visual_prior_value":0.01,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-a0b7552f-6005-49d5-9b00-ea95a90d74fe","text_snippet":"0.01","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-4d10f686-9088-43ec-9089-82da31b0d7bc","text_snippet":"0.01","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":0.01,"prior_value":0.01},{"tag":"us-gaap:PreferredStockSharesAuthorized","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheetsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheetsparenthetical","parent":"us-gaap:StatementOfFinancialPositionAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Preferred Stock, Shares Authorized","current_period_value":30000,"prior_period_value":30000.0,"visual_current_value":30000,"visual_prior_value":30000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-150598e3-5d41-42bd-9893-db40eee5c1ed","text_snippet":"30,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-d9da43a6-0f0f-43a7-a2c0-e3577d85bb8a","text_snippet":"30,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":30000,"prior_value":30000.0},{"tag":"us-gaap:CommonStockSharesOutstanding","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheetsparenthetical|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":2.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"statementconsolidatedbalancesheetsparenthetical","parent":"us-gaap:StatementOfFinancialPositionAbstract","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Common Stock, Shares, Outstanding","current_period_value":106773,"prior_period_value":107506.0,"visual_current_value":106773,"visual_prior_value":107506.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-c106d0fa-221a-4c43-86a2-7f3efd50a160","text_snippet":"106,773","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-e1cad00a-0b45-4b8c-9d0b-088d691ae80a","text_snippet":"107,506","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":106773,"prior_value":107506.0},{"tag":"us-gaap:CommonStockSharesOutstanding","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheetsparenthetical|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":2.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,3.0,2,2.0,1],"section_concept":null,"section_label":null},{"role":"statementconsolidatedbalancesheetsparenthetical","parent":"us-gaap:StatementOfFinancialPositionAbstract","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Common Stock, Shares, Outstanding","current_period_value":106773,"prior_period_value":107506.0,"visual_current_value":106773,"visual_prior_value":107506.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-bb969c6a-5d60-41f3-a52a-46a215be2a9b","text_snippet":"106,773","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-1573153f-fcfe-44d8-a7f4-bd17d983f796","text_snippet":"107,506","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":106773,"prior_value":107506.0},{"tag":"us-gaap:StockholdersEquity","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,4.0,3,6.0,5],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Stockholders' Equity"},{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Equity, Attributable to Parent","current_period_value":-4933983,"prior_period_value":-5174852.0,"visual_current_value":-4933983,"visual_prior_value":-5174852.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025","char_anchor":"ct-nonFraction-c9acf970-1065-430a-b80a-094fe7b10736","text_snippet":"4,933,983","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024","char_anchor":"ct-nonFraction-40e48719-6feb-449b-8e52-35625f7e6dce","text_snippet":"5,174,852","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-4933983,"prior_value":-5174852.0},{"tag":"us-gaap:StockholdersEquity","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,4.0,3,6.0,5],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Stockholders' Equity"},{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Equity, Attributable to Parent","current_period_value":1068,"prior_period_value":1075.0,"visual_current_value":1068,"visual_prior_value":1075.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-66bc0641-1486-43e4-a3f0-8da4ec67e161","text_snippet":"1,068","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-c083c2e4-ee64-4462-aece-7183095983e2","text_snippet":"1,075","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1068,"prior_value":1075.0},{"tag":"us-gaap:StockholdersEquity","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,4.0,3,6.0,5],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Stockholders' Equity"},{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Equity, Attributable to Parent","current_period_value":-688098,"prior_period_value":-723648.0,"visual_current_value":-688098,"visual_prior_value":-723648.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedOtherComprehensiveIncomeMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedOtherComprehensiveIncomeMember","member_label":"Accumulated Other Comprehensive Income"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-f2296c83-6934-4fd7-80ac-6e58e8e57250","text_snippet":"688,098","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-39a77267-af43-4900-8ea6-0ba81c6cbcc3","text_snippet":"723,648","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-688098,"prior_value":-723648.0},{"tag":"us-gaap:StockholdersEquity","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,4.0,3,6.0,5],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Stockholders' Equity"},{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Equity, Attributable to Parent","current_period_value":3038027,"prior_period_value":2941520.0,"visual_current_value":3038027,"visual_prior_value":2941520.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AdditionalPaidInCapitalMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AdditionalPaidInCapitalMember","member_label":"Additional Paid In Capital"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-f20d88ee-d05f-4e4b-abc9-0d43cb47b6b6","text_snippet":"3,038,027","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-16bf0f7d-8628-4399-914e-aef5679d531e","text_snippet":"2,941,520","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":3038027,"prior_value":2941520.0},{"tag":"us-gaap:StockholdersEquity","date_type":"Q","period_type":"instant","presentation_role":"statementconsolidatedbalancesheets|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:StockholdersEquityAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,4.0,3,6.0,5],"section_concept":"us-gaap:StockholdersEquityAbstract","calculation_relationships":[{"role":"statementconsolidatedbalancesheets","parent":"us-gaap:LiabilitiesAndStockholdersEquity","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedbalancesheets","calculation_parent":"us-gaap:LiabilitiesAndStockholdersEquity","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Stockholders' Equity"},{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"periodStartLabel","global_sort_position":[0,1.0,0,3.0,2,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Equity, Attributable to Parent","current_period_value":-7284980,"prior_period_value":-7393799.0,"visual_current_value":-7284980,"visual_prior_value":-7393799.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:RetainedEarningsMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:RetainedEarningsMember","member_label":"Retained Earnings"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"As_Of_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-5bf34177-fc14-4691-9ad7-bb8d182828e1","text_snippet":"7,284,980","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"As_Of_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-5eed9427-c827-464b-928f-dec88f502b8a","text_snippet":"7,393,799","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-7284980,"prior_value":-7393799.0},{"tag":"sbac:IncreaseDecreaseInLongTermLeaseLiability","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8,6.0,5],"section_concept":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":14.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":14.0,"section_label":"Operating Activities"}],"concept_label":"Long-term lease liabilities","current_period_value":-97323,"prior_period_value":-109074.0,"visual_current_value":-97323,"visual_prior_value":-109074.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-d001c0ac-ea2f-4898-a14e-ec9fed3567eb","text_snippet":"97,323","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-44e379eb-1b77-429a-bb40-325c22b66a36","text_snippet":"109,074","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-97323,"prior_value":-109074.0},{"tag":"sbac:IncreaseDecreaseInOperatingLeaseRightOfUseAsset","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8,3.0,2],"section_concept":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":11.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":11.0,"section_label":"Operating Activities"}],"concept_label":"Operating lease right-of-use assets, net","current_period_value":97110,"prior_period_value":101070.0,"visual_current_value":97110,"visual_prior_value":101070.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-74a577ee-1ab3-4675-b9c5-e1548f2fe4fa","text_snippet":"97,110","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-00de999e-25ea-42aa-8cd3-ed7ac06f846b","text_snippet":"101,070","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":97110,"prior_value":101070.0},{"tag":"sbac:NoncashAssetImpairmentAndDecommissionCosts","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,4.0,3],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":4.0,"section_label":"Operating Activities"}],"concept_label":"Non-cash asset impairment and decommission costs","current_period_value":96094,"prior_period_value":73959.0,"visual_current_value":96094,"visual_prior_value":73959.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8c808a88-61c1-4231-b0b9-6b26472cb384","text_snippet":"96,094","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-d1d5a798-d5b3-4980-839b-9c8e6e9ab6e0","text_snippet":"73,959","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":96094,"prior_value":73959.0},{"tag":"sbac:OperatingLeaseModificationsAndReassessments","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,8.0,7,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Operating lease modifications and reassessments","current_period_value":120853,"prior_period_value":214108.0,"visual_current_value":120853,"visual_prior_value":214108.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-493d5f75-7a3d-4290-b0d7-9b2a61e55830","text_snippet":"120,853","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-aab31fe4-b549-44a3-bcab-9227b0f29ca2","text_snippet":"214,108","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":120853,"prior_value":214108.0},{"tag":"sbac:PaymentStockOptionNetShareSettlements","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":9.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,9.0,8],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":8.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":8.0,"section_label":"Financing Activities"}],"concept_label":"Payment, Stock Option Net Share Settlements","current_period_value":24875,"prior_period_value":18187.0,"visual_current_value":-24875,"visual_prior_value":-18187.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-98e43ee4-f4b3-498b-8b8a-5b8b9edd918b","text_snippet":"24,875","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-8828ad28-1c9b-466f-98cb-46f21a2ec93f","text_snippet":"18,187","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-24875,"prior_value":-18187.0},{"tag":"sbac:RepaymentFundingOfLoanToUnconsolidatedJointVenture","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1,5.0,4],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":-1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":-1.0,"calculation_order":1.0,"section_label":"Investing Activities"}],"concept_label":"Repayment (funding) of loan to unconsolidated joint venture","current_period_value":-115000,"prior_period_value":11100.0,"visual_current_value":115000,"visual_prior_value":-11100.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-c1941aee-50df-4950-b8e6-3411256fbe1f","text_snippet":"115,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-93044e50-63ab-40c3-82d6-100c1927bbd6","text_snippet":"11,100","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":115000,"prior_value":-11100.0},{"tag":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:StatementOfCashFlowsAbstract","order":5.0,"preferred_label_role":"totalLabel","global_sort_position":[0,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect","current_period_value":-935263,"prior_period_value":546.0,"visual_current_value":-935263,"visual_prior_value":546.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-cd3da800-4577-40d3-b615-7a7fedee30f9","text_snippet":"935,263","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0088abf9-488e-4137-bbaf-6401af25ebf2","text_snippet":"546","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-935263,"prior_value":546.0},{"tag":"us-gaap:DeferredIncomeTaxExpenseBenefit","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,6.0,5],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":7.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":7.0,"section_label":"Operating Activities"}],"concept_label":"Deferred Income Tax Expense (Benefit)","current_period_value":94643,"prior_period_value":17053.0,"visual_current_value":94643,"visual_prior_value":17053.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-3ee72674-5826-4bb0-90d0-61f2a73e8680","text_snippet":"94,643","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-2cf72737-e53e-40f4-b676-6952485927d7","text_snippet":"17,053","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":94643,"prior_value":17053.0},{"tag":"us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:StatementOfCashFlowsAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","weight":1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","calculation_weight":1.0,"calculation_order":4.0,"section_label":null}],"concept_label":"Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations","current_period_value":18657,"prior_period_value":-9883.0,"visual_current_value":18657,"visual_prior_value":-9883.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-14396675-c61d-4093-8622-e2ac813fa8be","text_snippet":"18,657","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-11dad48f-7312-4280-9acd-1896c1cf646e","text_snippet":"9,883","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":18657,"prior_value":-9883.0},{"tag":"us-gaap:ForeignCurrencyTransactionGainLossBeforeTax","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,2.0,1],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":-1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":-1.0,"calculation_order":3.0,"section_label":"Operating Activities"}],"concept_label":"Gain (Loss), Foreign Currency Transaction, before Tax","current_period_value":137753,"prior_period_value":-119526.0,"visual_current_value":-137753,"visual_prior_value":119526.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-7ffa6699-1a49-4f11-8af5-1915bf0776c8","text_snippet":"137,753","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-dbbe277a-e7dc-4d21-936c-a837f75e5897","text_snippet":"119,526","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-137753,"prior_value":119526.0},{"tag":"us-gaap:IncomeTaxesPaid","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"sbac:CashPaidDuringPeriodAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,7.0,6,1.0,0,2.0,1],"section_concept":"us-gaap:SupplementalCashFlowInformationAbstract","section_label":"Supplemental"}],"concept_label":"Income Tax Paid, before Refund Received","current_period_value":33021,"prior_period_value":25978.0,"visual_current_value":33021,"visual_prior_value":25978.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-53f4cbe1-b687-4f80-94df-605e2d87fddd","text_snippet":"33,021","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-cd14797d-78ae-49a1-9cf2-acacb378c28c","text_snippet":"25,978","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":33021,"prior_value":25978.0},{"tag":"us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","order":1.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8,1.0,0],"section_concept":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":-1.0,"order":9.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":-1.0,"calculation_order":9.0,"section_label":"Operating Activities"}],"concept_label":"Increase (Decrease) in Accounts and Other Receivables","current_period_value":37243,"prior_period_value":-53280.0,"visual_current_value":-37243,"visual_prior_value":53280.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-4802944b-4009-4001-9ee8-2fdd4ec47c94","text_snippet":"37,243","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-dfffdd34-0ede-42c0-bc9a-1837029d6186","text_snippet":"53,280","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-37243,"prior_value":53280.0},{"tag":"us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8,4.0,3],"section_concept":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":12.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":12.0,"section_label":"Operating Activities"}],"concept_label":"Increase (Decrease) in Accounts Payable and Accrued Liabilities","current_period_value":8219,"prior_period_value":-6576.0,"visual_current_value":8219,"visual_prior_value":-6576.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ecb5b8ba-dfad-426e-a596-222940943332","text_snippet":"8,219","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-8745f0f6-939d-4c70-a758-3c5c6f347625","text_snippet":"6,576","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":8219,"prior_value":-6576.0},{"tag":"us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8,5.0,4],"section_concept":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":-1.0,"order":13.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":-1.0,"calculation_order":13.0,"section_label":"Operating Activities"}],"concept_label":"Increase (Decrease) in Accrued Interest Receivable, Net","current_period_value":24497,"prior_period_value":24838.0,"visual_current_value":-24497,"visual_prior_value":-24838.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ed077200-ccef-40d0-a43e-3ae3637db522","text_snippet":"24,497","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-4497c031-6732-41ee-b56e-64beb727fa6a","text_snippet":"24,838","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-24497,"prior_value":-24838.0},{"tag":"us-gaap:IncreaseDecreaseInOtherOperatingLiabilities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8,7.0,6],"section_concept":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":15.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":15.0,"section_label":"Operating Activities"}],"concept_label":"Increase (Decrease) in Other Operating Liabilities","current_period_value":-18742,"prior_period_value":-66777.0,"visual_current_value":-18742,"visual_prior_value":-66777.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-600bff25-f265-41ee-992d-3d5dc4eb78ad","text_snippet":"18,742","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-10f4ccb3-c377-4f33-8d99-42340b04c4a0","text_snippet":"66,777","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-18742,"prior_value":-66777.0},{"tag":"us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,9.0,8,2.0,1],"section_concept":"us-gaap:IncreaseDecreaseInOperatingCapitalAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":-1.0,"order":10.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":-1.0,"calculation_order":10.0,"section_label":"Operating Activities"}],"concept_label":"Increase (Decrease) in Prepaid Expense and Other Assets","current_period_value":14533,"prior_period_value":16998.0,"visual_current_value":-14533,"visual_prior_value":-16998.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-bbc95569-166b-47fb-8c27-10de2746557c","text_snippet":"14,533","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-80e59964-9e36-4959-acd8-0edbe16cf911","text_snippet":"16,998","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-14533,"prior_value":-16998.0},{"tag":"us-gaap:InterestPaidNet","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"sbac:CashPaidDuringPeriodAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,7.0,6,1.0,0,1.0,0],"section_concept":"us-gaap:SupplementalCashFlowInformationAbstract","section_label":"Supplemental"}],"concept_label":"Interest Paid, Excluding Capitalized Interest, Operating Activities","current_period_value":370132,"prior_period_value":314700.0,"visual_current_value":370132,"visual_prior_value":314700.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-a52182d8-60f5-4061-8581-5b2b0436b161","text_snippet":"370,132","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-eece3f11-95ad-49d1-89a9-4ec631150ced","text_snippet":"314,700","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":370132,"prior_value":314700.0},{"tag":"us-gaap:NetCashProvidedByUsedInFinancingActivities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":11.0,"preferred_label_role":"totalLabel","global_sort_position":[0,3.0,2,11.0,10],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","calculation_weight":1.0,"calculation_order":3.0,"section_label":"Financing Activities"}],"concept_label":"Net Cash Provided by (Used in) Financing Activities","current_period_value":-1520215,"prior_period_value":-533848.0,"visual_current_value":-1520215,"visual_prior_value":-533848.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-0fc1a06b-fc60-4e2c-b83d-12df210d39a7","text_snippet":"1,520,215","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-28af768b-0f81-4d83-8f8c-5033cece14ae","text_snippet":"533,848","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-1520215,"prior_value":-533848.0},{"tag":"us-gaap:NetCashProvidedByUsedInInvestingActivities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":8.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,8.0,7],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","calculation_weight":1.0,"calculation_order":2.0,"section_label":"Investing Activities"}],"concept_label":"Net Cash Provided by (Used in) Investing Activities","current_period_value":-421008,"prior_period_value":-480420.0,"visual_current_value":-421008,"visual_prior_value":-480420.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8d533752-a2aa-47f7-b455-30ed6f57c73c","text_snippet":"421,008","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-e04da6c4-d722-43b7-b64d-22f6c21d2b2d","text_snippet":"480,420","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-421008,"prior_value":-480420.0},{"tag":"us-gaap:NetCashProvidedByUsedInOperatingActivities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","order":3.0,"preferred_label_role":"totalLabel","global_sort_position":[0,1.0,0,3.0,2],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Operating Activities"}],"concept_label":"Net Cash Provided by (Used in) Operating Activities","current_period_value":987303,"prior_period_value":1024697.0,"visual_current_value":987303,"visual_prior_value":1024697.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-af763d0f-f8cc-4e0c-958f-1442fdd7aa6c","text_snippet":"987,303","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-da2f5e93-3b6d-4883-a99e-81edab3c39ce","text_snippet":"1,024,697","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":987303,"prior_value":1024697.0,"scope_status":"mixed_scope_warning","scope_warning":"Operating cash flow is reported as consolidated cash flow while the filing also discloses discontinued operations or wind-down activity (International Site Leasing [Member]; Business Segments; sbac:InternationalSiteLeasingRevenueMember). Do not divide this consolidated CFO by continuing-operations revenue without an adjustment."},{"tag":"us-gaap:OtherNoncashIncomeExpense","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,8.0,7],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":-1.0,"order":8.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":-1.0,"calculation_order":8.0,"section_label":"Operating Activities"}],"concept_label":"Other Noncash Income (Expense)","current_period_value":-50586,"prior_period_value":-48072.0,"visual_current_value":50586,"visual_prior_value":48072.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-fd6ceaa4-b17a-47dd-915a-ce8f2c5ca54b","text_snippet":"50,586","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-77edfb37-469d-4d09-8520-5d4f7447cedb","text_snippet":"48,072","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":50586,"prior_value":48072.0},{"tag":"us-gaap:OtherNoncashIncomeExpense","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,2.0,1,8.0,7],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":-1.0,"order":8.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":-1.0,"calculation_order":8.0,"section_label":"Operating Activities"}],"concept_label":"Other Noncash Income (Expense)","current_period_value":-50586,"prior_period_value":-48875.0,"visual_current_value":50586,"visual_prior_value":48875.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-fd6ceaa4-b17a-47dd-915a-ce8f2c5ca54b","text_snippet":"50,586","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9b0aa0e2-4bfb-4971-8706-1fb96bcf490a","text_snippet":"48,875","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":50586,"prior_value":48875.0},{"tag":"us-gaap:PaymentsForProceedsFromOtherInvestingActivities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":7.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1,7.0,6],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":-1.0,"order":7.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":-1.0,"calculation_order":7.0,"section_label":"Investing Activities"}],"concept_label":"Payments for (Proceeds from) Other Investing Activities","current_period_value":1999,"prior_period_value":2933.0,"visual_current_value":-1999,"visual_prior_value":-2933.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-08a6e183-6417-46eb-9b52-51aab33c99a4","text_snippet":"1,999","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-6069f103-ade8-4906-8e42-0c6c044b4aab","text_snippet":"2,933","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-1999,"prior_value":-2933.0},{"tag":"us-gaap:PaymentsForProceedsFromOtherInvestingActivities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":7.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1,7.0,6],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":-1.0,"order":7.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":-1.0,"calculation_order":7.0,"section_label":"Investing Activities"}],"concept_label":"Payments for (Proceeds from) Other Investing Activities","current_period_value":1999,"prior_period_value":14033.0,"visual_current_value":-1999,"visual_prior_value":-14033.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-08a6e183-6417-46eb-9b52-51aab33c99a4","text_snippet":"1,999","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-909b639b-d9f1-49f0-8979-ca4a7e0b19bb","text_snippet":"14,033","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-1999,"prior_value":-14033.0},{"tag":"us-gaap:PaymentsForRepurchaseOfCommonStock","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":6.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,6.0,5],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":9.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":9.0,"section_label":"Financing Activities"}],"concept_label":"Payments for Repurchase of Common Stock","current_period_value":281531,"prior_period_value":200019.0,"visual_current_value":-281531,"visual_prior_value":-200019.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-bbbf1ffe-b5a7-48d4-8219-c2a766411340","text_snippet":"281,531","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b429ae7d-915a-471b-a6a1-afcd69a7cba6","text_snippet":"200,019","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-281531,"prior_value":-200019.0},{"tag":"us-gaap:PaymentsOfDividends","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":7.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,7.0,6],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":10.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":10.0,"section_label":"Financing Activities"}],"concept_label":"Payments of Dividends","current_period_value":360780,"prior_period_value":318808.0,"visual_current_value":-360780,"visual_prior_value":-318808.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-7a8fd9ce-2892-4ee7-aff5-7f031d2766d0","text_snippet":"360,780","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-8148b559-1243-42c6-890e-b35354bbbb58","text_snippet":"318,808","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-360780,"prior_value":-318808.0},{"tag":"us-gaap:PaymentsToAcquireInvestments","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":3.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1,3.0,2],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":-1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":-1.0,"calculation_order":5.0,"section_label":"Investing Activities"}],"concept_label":"Payments to Acquire Investments","current_period_value":658004,"prior_period_value":1204628.0,"visual_current_value":-658004,"visual_prior_value":-1204628.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-79b9bb17-3f21-4355-b143-5ad4c1df703a","text_snippet":"658,004","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b05d354f-9028-410f-b7e0-a5c351ac9860","text_snippet":"1,204,628","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-658004,"prior_value":-1204628.0},{"tag":"us-gaap:PaymentsToAcquirePropertyPlantAndEquipment","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,2.0,1,2.0,1],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":-1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":-1.0,"calculation_order":3.0,"section_label":"Investing Activities"}],"concept_label":"Payments to Acquire Property, Plant, and Equipment","current_period_value":162091,"prior_period_value":172600.0,"visual_current_value":-162091,"visual_prior_value":-172600.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ebccc979-e41f-4936-8241-3a4bb6d47207","text_snippet":"162,091","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b5bf37c6-2a41-43ac-acb3-4c77c4ce6741","text_snippet":"172,600","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-162091,"prior_value":-172600.0},{"tag":"us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":8.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2,8.0,7],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":1.0,"calculation_order":3.0,"section_label":"Financing Activities"}],"concept_label":"Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised","current_period_value":51491,"prior_period_value":27144.0,"visual_current_value":51491,"visual_prior_value":27144.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-58b5934f-ca4a-4d3e-aa9d-6e16e6d8340c","text_snippet":"51,491","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-d84eb2c7-9980-4015-83a0-f61a3d405c92","text_snippet":"27,144","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":51491,"prior_value":27144.0},{"tag":"us-gaap:ProceedsFromLongTermLinesOfCredit","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Financing Activities"}],"concept_label":"Proceeds from Long-Term Lines of Credit","current_period_value":375000,"prior_period_value":370000.0,"visual_current_value":375000,"visual_prior_value":370000.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-539b2316-9946-4960-9f4d-1c6b86fa2dff","text_snippet":"375,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9721ec15-e982-423a-a256-29b69dd58a9d","text_snippet":"370,000","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":375000,"prior_value":370000.0},{"tag":"us-gaap:ProceedsFromPaymentsForOtherFinancingActivities","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2,10.0,9],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":1.0,"calculation_order":5.0,"section_label":"Financing Activities"}],"concept_label":"Proceeds from (Payments for) Other Financing Activities","current_period_value":-2270,"prior_period_value":707.0,"visual_current_value":-2270,"visual_prior_value":707.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-fd2145fc-4137-4364-bbe7-cf36af6786d6","text_snippet":"2,270","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-356a2118-5d0c-4b02-9c93-c70754c4bbd5","text_snippet":"707","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-2270,"prior_value":707.0},{"tag":"us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,4.0,3],"section_concept":"us-gaap:NetCashProvidedByUsedInInvestingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInInvestingActivities","calculation_weight":1.0,"calculation_order":6.0,"section_label":"Investing Activities"}],"concept_label":"Proceeds from Sale, Maturity and Collection of Investments","current_period_value":909937,"prior_period_value":1179250.0,"visual_current_value":909937,"visual_prior_value":1179250.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ba448d9b-4817-48a1-9152-286ee41969f8","text_snippet":"909,937","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-72c53f21-9f96-44c3-8977-3b9aaed7f03c","text_snippet":"1,179,250","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":909937,"prior_value":1179250.0},{"tag":"us-gaap:RepaymentsOfSeniorDebt","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","order":4.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,3.0,2,4.0,3],"section_concept":"us-gaap:NetCashProvidedByUsedInFinancingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","weight":-1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInFinancingActivities","calculation_weight":-1.0,"calculation_order":6.0,"section_label":"Financing Activities"}],"concept_label":"Repayments of Senior Debt","current_period_value":17250,"prior_period_value":2279500.0,"visual_current_value":-17250,"visual_prior_value":-2279500.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-55efde15-81ce-401f-be49-59c5ff20071e","text_snippet":"17,250","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-a20d5f15-9d2f-4998-9521-af96a796d7d5","text_snippet":"2,279,500","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-17250,"prior_value":-2279500.0},{"tag":"us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,8.0,7,3.0,2],"section_concept":null,"section_label":null}],"concept_label":"Right-of-Use Asset Obtained in Exchange for Finance Lease Liability","current_period_value":5589,"prior_period_value":154.0,"visual_current_value":5589,"visual_prior_value":154.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-bec6df69-0e00-4960-b3d8-b6ab72ed2a28","text_snippet":"5,589","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-82f98e34-4730-4e0c-9e79-7cf9bb0939b4","text_snippet":"154","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":5589,"prior_value":154.0},{"tag":"us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,8.0,7,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Right-of-Use Asset Obtained in Exchange for Operating Lease Liability","current_period_value":97843,"prior_period_value":44256.0,"visual_current_value":97843,"visual_prior_value":44256.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-167937e2-89d2-4b31-9520-c3a6f6e44fa5","text_snippet":"97,843","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-308f5f11-01a4-4057-8b06-8dc73bb23328","text_snippet":"44,256","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":97843,"prior_value":44256.0},{"tag":"us-gaap:ProfitLoss","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofcomprehensiveincome|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NetIncomeLoss","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NetIncomeLoss","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Operating Activities"},{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","current_period_value":240431,"prior_period_value":255891.0,"visual_current_value":240431,"visual_prior_value":255891.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-e4cd9030-0e87-4870-bee9-4f37f632ef82","text_snippet":"240,431","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-aed319e0-4774-4473-9667-6522e73ae85c","text_snippet":"255,891","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":240431,"prior_value":255891.0},{"tag":"us-gaap:ProfitLoss","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofcomprehensiveincome|statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":7.0,"preferred_label_role":"totalLabel","global_sort_position":[0,7.0,6],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NetIncomeLoss","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NetIncomeLoss","calculation_weight":1.0,"calculation_order":2.0,"section_label":null},{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":1.0,"section_label":"Operating Activities"},{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","current_period_value":684031,"prior_period_value":569886.0,"visual_current_value":684031,"visual_prior_value":569886.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-fdca95ce-553a-4651-877f-040d12f03551","text_snippet":"684,031","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f00e9fc0-3ab1-484f-98b8-d934a78759c2","text_snippet":"569,886","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":684031,"prior_value":569886.0},{"tag":"us-gaap:ShareBasedCompensation","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperationsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":5.0,"section_label":"Operating Activities"},{"role":"statementconsolidatedstatementsofoperationsparenthetical","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Payment Arrangement, Noncash Expense","current_period_value":18655,"prior_period_value":15732.0,"visual_current_value":18655,"visual_prior_value":15732.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:IncomeStatementLocationAxis=us-gaap:SellingGeneralAndAdministrativeExpensesMember","dimensions":[{"axis":"us-gaap:IncomeStatementLocationAxis","axis_label":"Income Statement Location","member":"us-gaap:SellingGeneralAndAdministrativeExpensesMember","member_label":"Selling General And Administrative Expenses"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_IncomeStatementLocationAxis_us-gaap_SellingGeneralAndAdministrativeExpensesMember","char_anchor":"ct-nonFraction-3444dbdc-5809-4e9c-83b3-f8ebf475173f","text_snippet":"18,655","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_IncomeStatementLocationAxis_us-gaap_SellingGeneralAndAdministrativeExpensesMember","char_anchor":"ct-nonFraction-7cb86e7d-e3a1-4df1-8ca0-29486fa1e985","text_snippet":"15,732","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":18655,"prior_value":15732.0},{"tag":"us-gaap:ShareBasedCompensation","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperationsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":5.0,"section_label":"Operating Activities"},{"role":"statementconsolidatedstatementsofoperationsparenthetical","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Payment Arrangement, Noncash Expense","current_period_value":56552,"prior_period_value":56439.0,"visual_current_value":56552,"visual_prior_value":56439.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-16b6d945-38e8-4258-b427-ba89d0280dc4","text_snippet":"56,552","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b13bdb2c-f302-4f00-b736-87e7a636eb71","text_snippet":"56,439","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":56552,"prior_value":56439.0},{"tag":"us-gaap:ShareBasedCompensation","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcashflows|statementconsolidatedstatementsofoperationsparenthetical","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,3.0,2],"section_concept":"us-gaap:NetCashProvidedByUsedInOperatingActivitiesAbstract","calculation_relationships":[{"role":"statementconsolidatedstatementsofcashflows","parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","weight":1.0,"order":5.0}],"calculation_role":"statementconsolidatedstatementsofcashflows","calculation_parent":"us-gaap:NetCashProvidedByUsedInOperatingActivities","calculation_weight":1.0,"calculation_order":5.0,"section_label":"Operating Activities"},{"role":"statementconsolidatedstatementsofoperationsparenthetical","parent":"us-gaap:StatementLineItems","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Share-Based Payment Arrangement, Noncash Expense","current_period_value":54569,"prior_period_value":54376.0,"visual_current_value":54569,"visual_prior_value":54376.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:IncomeStatementLocationAxis=us-gaap:SellingGeneralAndAdministrativeExpensesMember","dimensions":[{"axis":"us-gaap:IncomeStatementLocationAxis","axis_label":"Income Statement Location","member":"us-gaap:SellingGeneralAndAdministrativeExpensesMember","member_label":"Selling General And Administrative Expenses"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_IncomeStatementLocationAxis_us-gaap_SellingGeneralAndAdministrativeExpensesMember","char_anchor":"ct-nonFraction-521b8897-6b39-4830-919a-c2b14fac8a3c","text_snippet":"54,569","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_IncomeStatementLocationAxis_us-gaap_SellingGeneralAndAdministrativeExpensesMember","char_anchor":"ct-nonFraction-2f40c467-6335-40fa-849b-0add628f46f9","text_snippet":"54,376","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":54569,"prior_value":54376.0},{"tag":"us-gaap:ComprehensiveIncomeNetOfTax","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","current_period_value":260266,"prior_period_value":236664.0,"visual_current_value":260266,"visual_prior_value":236664.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-2ff137a9-2c80-42e0-9959-61e54e576024","text_snippet":"260,266","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-87a97abb-0f93-4f61-87f6-6d87c29bcec9","text_snippet":"236,664","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":260266,"prior_value":236664.0},{"tag":"us-gaap:ComprehensiveIncomeNetOfTax","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","current_period_value":755524,"prior_period_value":467456.0,"visual_current_value":755524,"visual_prior_value":467456.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-201f71b7-6def-45c9-ba23-8c2dfa5215e9","text_snippet":"755,524","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-bd2ad70a-edef-48e8-840b-b8614e02e4b1","text_snippet":"467,456","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":755524,"prior_value":467456.0},{"tag":"us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTax","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTax","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest","current_period_value":4586,"prior_period_value":-2980.0,"visual_current_value":-4586,"visual_prior_value":2980.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-52f7b66f-0cde-4b31-877b-a25fd31fd62a","text_snippet":"4,586","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b7d2425f-0790-4193-84e7-dd837cec3e71","text_snippet":"2,980","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-4586,"prior_value":2980.0},{"tag":"us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":5.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,5.0,4],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTax","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTax","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest","current_period_value":641,"prior_period_value":-6682.0,"visual_current_value":-641,"visual_prior_value":6682.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-c284e4c8-4717-4b0e-b795-ce33af7c9275","text_snippet":"641","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9409d702-102b-44ea-8b42-2add4a33e1e7","text_snippet":"6,682","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-641,"prior_value":6682.0},{"tag":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTax","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTax","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest","current_period_value":264852,"prior_period_value":233684.0,"visual_current_value":264852,"visual_prior_value":233684.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-d3ccfc0e-ee1d-4b85-8ec1-31f312012536","text_snippet":"264,852","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-ce14b839-903b-492c-9d22-826f9f803a86","text_snippet":"233,684","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":264852,"prior_value":233684.0},{"tag":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":4.0,"preferred_label_role":"totalLabel","global_sort_position":[0,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTax","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTax","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest","current_period_value":756165,"prior_period_value":460774.0,"visual_current_value":756165,"visual_prior_value":460774.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-3a59d3eb-ab85-4cae-859c-b37e0acc6dc3","text_snippet":"756,165","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-3e55a63a-29a3-4534-8a63-9db422e526ae","text_snippet":"460,774","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":756165,"prior_value":460774.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax","current_period_value":27314,"prior_period_value":22827.0,"visual_current_value":27314,"visual_prior_value":22827.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-7d0a40d3-72ae-4138-845b-d7796cbac3c0","text_snippet":"27,314","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b8dc87a1-001c-418c-9445-74882e890643","text_snippet":"22,827","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":27314,"prior_value":22827.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":3.0,"preferred_label_role":"terseLabel","global_sort_position":[0,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax","current_period_value":121481,"prior_period_value":-66708.0,"visual_current_value":121481,"visual_prior_value":-66708.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-61938f4b-9157-4081-a73f-98f1216459b4","text_snippet":"121,481","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-870966d0-c247-44b8-9836-caff7832c656","text_snippet":"66,708","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":121481,"prior_value":-66708.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","current_period_value":-2893,"prior_period_value":-45034.0,"visual_current_value":-2893,"visual_prior_value":-45034.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ae89f1d5-8af2-40dc-958f-1309ab0d3cdd","text_snippet":"2,893","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-aefdefa7-4deb-4a32-9fa2-f055ebfb3ccc","text_snippet":"45,034","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-2893,"prior_value":-45034.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","current_period_value":-2893,"prior_period_value":-45034.0,"visual_current_value":-2893,"visual_prior_value":-45034.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedOtherComprehensiveIncomeMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedOtherComprehensiveIncomeMember","member_label":"Accumulated Other Comprehensive Income"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-0588537d-50c7-4495-aa1e-77d19e95c601","text_snippet":"2,893","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-8af5c97d-ec5a-4cf7-a7e8-ad42151820e5","text_snippet":"45,034","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-2893,"prior_value":-45034.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","current_period_value":-49347,"prior_period_value":-42404.0,"visual_current_value":-49347,"visual_prior_value":-42404.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8a832ddb-1fef-4aa2-a3fa-96c73eae8e69","text_snippet":"49,347","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-4552da03-19c9-4302-812d-bea03cfbd2db","text_snippet":"42,404","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-49347,"prior_value":-42404.0},{"tag":"us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofcomprehensiveincome|statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":7.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,7.0,6],"section_concept":null,"section_label":null},{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:StatementOfIncomeAndComprehensiveIncomeAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofcomprehensiveincome","parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofcomprehensiveincome","calculation_parent":"us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","current_period_value":-49347,"prior_period_value":-42404.0,"visual_current_value":-49347,"visual_prior_value":-42404.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedOtherComprehensiveIncomeMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedOtherComprehensiveIncomeMember","member_label":"Accumulated Other Comprehensive Income"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-8bc4a00a-fc78-4a85-8c0b-e4171e67c9cf","text_snippet":"49,347","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-d03af736-f7a5-4f97-b94b-695081afaafa","text_snippet":"42,404","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-49347,"prior_value":-42404.0},{"tag":"sbac:CostOfGoodsSoldDirectOperatingLease","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostOfRevenueAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of site leasing","current_period_value":127281,"prior_period_value":117948.0,"visual_current_value":127281,"visual_prior_value":117948.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-cb21a700-8495-4616-9704-1f5ccd64f60d","text_snippet":"127,281","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-08c4efc5-071b-4826-ba9d-937e36348a38","text_snippet":"117,948","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":127281,"prior_value":117948.0},{"tag":"sbac:CostOfGoodsSoldDirectOperatingLease","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostOfRevenueAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Cost of site leasing","current_period_value":361330,"prior_period_value":346893.0,"visual_current_value":361330,"visual_prior_value":346893.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8347eedd-d2ff-4e3a-93a8-16e9d5696e62","text_snippet":"361,330","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0f61937f-a937-4d67-97df-59284c57b73c","text_snippet":"346,893","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":361330,"prior_value":346893.0},{"tag":"us-gaap:AmortizationOfFinancingCosts","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":4.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,4.0,3,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":-1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null}],"concept_label":"Amortization of Debt Issuance Costs","current_period_value":5477,"prior_period_value":5185.0,"visual_current_value":-5477,"visual_prior_value":-5185.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-310eade3-6d4b-4c7e-9d0a-8da77e85709f","text_snippet":"5,477","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9a73ff33-c455-4754-b05e-d5c89a7b6638","text_snippet":"5,185","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-5477,"prior_value":-5185.0},{"tag":"us-gaap:AmortizationOfFinancingCosts","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":4.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,4.0,3,4.0,3],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":-1.0,"order":4.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":-1.0,"calculation_order":4.0,"section_label":null}],"concept_label":"Amortization of Debt Issuance Costs","current_period_value":16326,"prior_period_value":15405.0,"visual_current_value":-16326,"visual_prior_value":-15405.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-d0391ba2-d144-4245-ac32-98bde463cfbe","text_snippet":"16,326","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-5d9dff3d-8877-4bd7-9466-4b6aeac0e16f","text_snippet":"15,405","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-16326,"prior_value":-15405.0},{"tag":"us-gaap:CostOfGoodsAndServicesSold","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostOfRevenueAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Cost of Goods and Services Sold","current_period_value":62508,"prior_period_value":32391.0,"visual_current_value":62508,"visual_prior_value":32391.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-ff5af70b-9c34-46bf-a503-735946b9f207","text_snippet":"62,508","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9d62fb98-186e-44ab-b81f-67434deec727","text_snippet":"32,391","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":62508,"prior_value":32391.0},{"tag":"us-gaap:CostOfGoodsAndServicesSold","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostOfRevenueAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,2.0,1,1.0,0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpenses","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:CostsAndExpenses","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Cost of Goods and Services Sold","current_period_value":154222,"prior_period_value":82705.0,"visual_current_value":154222,"visual_prior_value":82705.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f1576d25-89a1-4983-9771-4cbe9f0d7992","text_snippet":"154,222","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-cd4c245e-b161-4aae-b6fd-6acaa4ae8f21","text_snippet":"82,705","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":154222,"prior_value":82705.0},{"tag":"us-gaap:CostsAndExpenses","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Costs and Expenses","current_period_value":358158,"prior_period_value":291999.0,"visual_current_value":358158,"visual_prior_value":291999.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f2afc8d4-88be-4e28-99c6-1c3932023cef","text_snippet":"358,158","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-db819665-5120-47ce-9535-037c3ad8d9e4","text_snippet":"291,999","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":358158,"prior_value":291999.0},{"tag":"us-gaap:CostsAndExpenses","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:CostsAndExpensesAbstract","order":6.0,"preferred_label_role":"totalLabel","global_sort_position":[0,2.0,1,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:OperatingIncomeLoss","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:OperatingIncomeLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Costs and Expenses","current_period_value":1051695,"prior_period_value":932510.0,"visual_current_value":1051695,"visual_prior_value":932510.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-bff71f13-f4ea-4280-bbda-5538942b32eb","text_snippet":"1,051,695","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b1289aac-89ce-43c1-88ea-b7c2574e3e60","text_snippet":"932,510","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1051695,"prior_value":932510.0},{"tag":"us-gaap:EarningsPerShareBasic","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,10.0,9,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Earnings Per Share, Basic","current_period_value":2.21,"prior_period_value":2.41,"visual_current_value":2.21,"visual_prior_value":2.41,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-555c250f-b1df-4143-b3c5-caebbe9e118a","text_snippet":"2.21","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-7d8d3b89-e9e4-4d46-bfef-7d4e6752254d","text_snippet":"2.41","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":2.21,"prior_value":2.41},{"tag":"us-gaap:EarningsPerShareBasic","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":1.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,10.0,9,1.0,0],"section_concept":null,"section_label":null}],"concept_label":"Earnings Per Share, Basic","current_period_value":6.36,"prior_period_value":5.35,"visual_current_value":6.36,"visual_prior_value":5.35,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-7f3150ae-fc9b-4989-86b3-124a6a9ffb05","text_snippet":"6.36","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0a79919a-bc56-49fe-9ca9-f8efa305d410","text_snippet":"5.35","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":6.36,"prior_value":5.35},{"tag":"us-gaap:EarningsPerShareDiluted","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,10.0,9,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Earnings Per Share, Diluted","current_period_value":2.2,"prior_period_value":2.4,"visual_current_value":2.2,"visual_prior_value":2.4,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8648c04e-7ac9-48b2-affb-ed42d72f9f96","text_snippet":"2.20","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-84a1f4f2-34a3-4b56-9031-24ea01b34a75","text_snippet":"2.40","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":2.2,"prior_value":2.4},{"tag":"us-gaap:EarningsPerShareDiluted","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:EarningsPerShareReconciliationAbstract","order":2.0,"preferred_label_role":"verboseLabel","global_sort_position":[0,10.0,9,2.0,1],"section_concept":null,"section_label":null}],"concept_label":"Earnings Per Share, Diluted","current_period_value":6.34,"prior_period_value":5.33,"visual_current_value":6.34,"visual_prior_value":5.33,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-cd392f34-637f-49c3-a9bb-c66602827b10","text_snippet":"6.34","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-83534f70-641c-4879-81a8-1c22d6be8245","text_snippet":"5.33","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":null,"current_value":6.34,"prior_value":5.33},{"tag":"us-gaap:IncomeTaxExpenseBenefit","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":6.0,"preferred_label_role":"negatedTerseLabel","global_sort_position":[0,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:ProfitLoss","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:ProfitLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Income Tax Expense (Benefit)","current_period_value":48652,"prior_period_value":42316.0,"visual_current_value":-48652,"visual_prior_value":-42316.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-a8ce6132-9105-4f74-a7fa-ce3ac2da37e4","text_snippet":"48,652","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-a81541e2-5c0a-437d-970a-9e903d2d9abb","text_snippet":"42,316","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-48652,"prior_value":-42316.0},{"tag":"us-gaap:IncomeTaxExpenseBenefit","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:IncomeStatementAbstract","order":6.0,"preferred_label_role":"negatedTerseLabel","global_sort_position":[0,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:ProfitLoss","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:ProfitLoss","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Income Tax Expense (Benefit)","current_period_value":125730,"prior_period_value":46906.0,"visual_current_value":-125730,"visual_prior_value":-46906.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-01898633-311a-4ef1-8b32-1bfb15365080","text_snippet":"125,730","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-2b185552-719a-4c20-9628-f4409e5c0f0a","text_snippet":"46,906","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-125730,"prior_value":-46906.0},{"tag":"us-gaap:InvestmentIncomeInterest","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Investment Income, Interest","current_period_value":5517,"prior_period_value":6999.0,"visual_current_value":5517,"visual_prior_value":6999.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-78354bed-ecee-4c10-88f7-b3206f633d16","text_snippet":"5,517","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9e914e31-653a-4109-a780-c5536bd4e41c","text_snippet":"6,999","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":5517,"prior_value":6999.0},{"tag":"us-gaap:InvestmentIncomeInterest","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Investment Income, Interest","current_period_value":24452,"prior_period_value":21359.0,"visual_current_value":24452,"visual_prior_value":21359.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-255cfab7-fd4f-4cdf-835d-034db769c651","text_snippet":"24,452","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-3ebf5913-ebb6-4b8f-9474-b60b278dbbd9","text_snippet":"21,359","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":24452,"prior_value":21359.0},{"tag":"us-gaap:InvestmentIncomeInvestmentExpense","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,4.0,3,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Investment Income, Investment Expense","current_period_value":120154,"prior_period_value":95711.0,"visual_current_value":-120154,"visual_prior_value":-95711.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-aeb81aee-10d6-4d00-86c4-0f41c89f83a3","text_snippet":"120,154","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-1c273a8f-fa4d-4ec3-a758-83d34363640c","text_snippet":"95,711","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-120154,"prior_value":-95711.0},{"tag":"us-gaap:InvestmentIncomeInvestmentExpense","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":2.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,4.0,3,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":-1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":-1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Investment Income, Investment Expense","current_period_value":343959,"prior_period_value":289632.0,"visual_current_value":-343959,"visual_prior_value":-289632.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-e074f04c-e474-49ba-918c-d93270efc860","text_snippet":"343,959","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-09a59f0b-c605-4809-bb3b-e94025fc61b9","text_snippet":"289,632","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-343959,"prior_value":-289632.0},{"tag":"us-gaap:OperatingLeaseLeaseIncome","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:Revenues","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:Revenues","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Lease, Lease Income","current_period_value":656427,"prior_period_value":625697.0,"visual_current_value":656427,"visual_prior_value":625697.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-b70483ce-81b8-4ca1-a485-28d9063c231c","text_snippet":"656,427","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-c6038126-3a30-478c-a5c3-70723109d7dc","text_snippet":"625,697","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":656427,"prior_value":625697.0},{"tag":"us-gaap:OperatingLeaseLeaseIncome","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":1.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,1.0,0],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:Revenues","weight":1.0,"order":1.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:Revenues","calculation_weight":1.0,"calculation_order":1.0,"section_label":null}],"concept_label":"Operating Lease, Lease Income","current_period_value":1904424,"prior_period_value":1880430.0,"visual_current_value":1904424,"visual_prior_value":1880430.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-f96e2fc6-7ccc-48cd-8968-6ee141139a9a","text_snippet":"1,904,424","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0ea7c95a-d50b-433a-991b-0aae7c059958","text_snippet":"1,880,430","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":1904424,"prior_value":1880430.0},{"tag":"us-gaap:OtherNonoperatingIncomeExpense","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":1.0,"calculation_order":6.0,"section_label":null}],"concept_label":"Other Nonoperating Income (Expense)","current_period_value":35595,"prior_period_value":23700.0,"visual_current_value":35595,"visual_prior_value":23700.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-6bcdbe2d-ea54-489c-b225-eed2f970c067","text_snippet":"35,595","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-b96b63a2-d677-4b9b-8082-9689faf4e69d","text_snippet":"23,700","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":35595,"prior_value":23700.0},{"tag":"us-gaap:OtherNonoperatingIncomeExpense","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,4.0,3,6.0,5],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":1.0,"order":6.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":1.0,"calculation_order":6.0,"section_label":null}],"concept_label":"Other Nonoperating Income (Expense)","current_period_value":111881,"prior_period_value":-125811.0,"visual_current_value":111881,"visual_prior_value":-125811.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-03e58526-f84a-42f2-9a07-f165e291828e","text_snippet":"111,881","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9acf2863-b07d-4d56-b8b6-d06d14266aaf","text_snippet":"125,811","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":111881,"prior_value":-125811.0},{"tag":"us-gaap:PaidInKindInterest","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":3.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,4.0,3,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":-1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Paid-in-Kind Interest","current_period_value":567,"prior_period_value":7192.0,"visual_current_value":-567,"visual_prior_value":-7192.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-69947c06-4500-443d-8bc5-7f79fef2508d","text_snippet":"567","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-53d16549-6157-47c0-a187-d99f6f93d96d","text_snippet":"7,192","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-567,"prior_value":-7192.0},{"tag":"us-gaap:PaidInKindInterest","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpenseAbstract","order":3.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,4.0,3,3.0,2],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:NonoperatingIncomeExpense","weight":-1.0,"order":3.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:NonoperatingIncomeExpense","calculation_weight":-1.0,"calculation_order":3.0,"section_label":null}],"concept_label":"Paid-in-Kind Interest","current_period_value":10148,"prior_period_value":22715.0,"visual_current_value":-10148,"visual_prior_value":-22715.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-4e7117d3-d2fb-443e-8fe3-fd5b723791a7","text_snippet":"10,148","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-1c5056ef-0636-4115-826c-de86d2799ed0","text_snippet":"22,715","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-10148,"prior_value":-22715.0},{"tag":"us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:Revenues","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:Revenues","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Revenue from Contract with Customer, Excluding Assessed Tax","current_period_value":75900,"prior_period_value":41898.0,"visual_current_value":75900,"visual_prior_value":41898.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-a4060900-41b6-41f9-b957-5c1d91ca94ff","text_snippet":"75,900","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-2bd00140-b4dc-41c8-abbd-c01e0503b750","text_snippet":"41,898","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":75900,"prior_value":41898.0},{"tag":"us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofoperations","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:RevenuesAbstract","order":2.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,2.0,1],"section_concept":null,"calculation_relationships":[{"role":"statementconsolidatedstatementsofoperations","parent":"us-gaap:Revenues","weight":1.0,"order":2.0}],"calculation_role":"statementconsolidatedstatementsofoperations","calculation_parent":"us-gaap:Revenues","calculation_weight":1.0,"calculation_order":2.0,"section_label":null}],"concept_label":"Revenue from Contract with Customer, Excluding Assessed Tax","current_period_value":191132,"prior_period_value":105504.0,"visual_current_value":191132,"visual_prior_value":105504.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-faed552c-1003-452e-8378-13dd30ddb944","text_snippet":"191,132","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-557a8b0d-76d5-4aba-852d-2421201a8566","text_snippet":"105,504","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":191132,"prior_value":105504.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalOther","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Adjustments to Additional Paid in Capital, Other","current_period_value":-6716,"prior_period_value":-11255.0,"visual_current_value":-6716,"visual_prior_value":-11255.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-7675d83d-80b2-4822-adff-7fb397c9a02c","text_snippet":"6,716","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-d1541bc0-c544-48f3-a886-8128baa5e607","text_snippet":"11,255","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-6716,"prior_value":-11255.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalOther","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Adjustments to Additional Paid in Capital, Other","current_period_value":-6716,"prior_period_value":-11255.0,"visual_current_value":-6716,"visual_prior_value":-11255.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AdditionalPaidInCapitalMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AdditionalPaidInCapitalMember","member_label":"Additional Paid In Capital"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-0e562440-7ae2-4b32-b44d-ba6a340473cd","text_snippet":"6,716","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-0b9f8d47-d726-45b4-b916-6c3313ed45de","text_snippet":"11,255","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-6716,"prior_value":-11255.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalOther","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Adjustments to Additional Paid in Capital, Other","current_period_value":-21686,"prior_period_value":-19197.0,"visual_current_value":-21686,"visual_prior_value":-19197.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-9d5fe327-d123-4e58-96a1-eb691f39f9c9","text_snippet":"21,686","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-df703d6f-7cd4-4138-aac5-fdd59997618a","text_snippet":"19,197","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-21686,"prior_value":-19197.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalOther","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":12.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,12.0,11],"section_concept":null,"section_label":null}],"concept_label":"Adjustments to Additional Paid in Capital, Other","current_period_value":-21686,"prior_period_value":-19197.0,"visual_current_value":-21686,"visual_prior_value":-19197.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AdditionalPaidInCapitalMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AdditionalPaidInCapitalMember","member_label":"Additional Paid In Capital"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-b747c897-1f8b-4cc8-9f7a-9658887e5ddf","text_snippet":"21,686","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-acb1f684-686e-441a-82e0-48705be7c9ff","text_snippet":"19,197","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-21686,"prior_value":-19197.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"APIC, Share-Based Payment Arrangement, Increase for Cost Recognition","current_period_value":19632,"prior_period_value":16728.0,"visual_current_value":19632,"visual_prior_value":16728.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-44dc9cff-ff2c-47ab-95b2-9f03acca1f50","text_snippet":"19,632","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-f0dda923-afc5-41f6-8b1b-471d2f2b7e79","text_snippet":"16,728","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":19632,"prior_value":16728.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"APIC, Share-Based Payment Arrangement, Increase for Cost Recognition","current_period_value":19632,"prior_period_value":16728.0,"visual_current_value":19632,"visual_prior_value":16728.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AdditionalPaidInCapitalMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AdditionalPaidInCapitalMember","member_label":"Additional Paid In Capital"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-59f4b46a-5035-4074-9a5a-bae937fce624","text_snippet":"19,632","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-6fc98d04-cde3-43fb-b4e3-d610d9b0bfce","text_snippet":"16,728","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":19632,"prior_value":16728.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"APIC, Share-Based Payment Arrangement, Increase for Cost Recognition","current_period_value":57647,"prior_period_value":57754.0,"visual_current_value":57647,"visual_prior_value":57754.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-87a1e910-6a01-4d29-9b0b-fad7b90f9d32","text_snippet":"57,647","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-9a1c2565-1d74-410b-9613-2e331f4425df","text_snippet":"57,754","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":57647,"prior_value":57754.0},{"tag":"us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":6.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,6.0,5],"section_concept":null,"section_label":null}],"concept_label":"APIC, Share-Based Payment Arrangement, Increase for Cost Recognition","current_period_value":57647,"prior_period_value":57754.0,"visual_current_value":57647,"visual_prior_value":57754.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AdditionalPaidInCapitalMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AdditionalPaidInCapitalMember","member_label":"Additional Paid In Capital"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-6d6d08ce-7084-40a0-b68a-963679a8627c","text_snippet":"57,647","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-7e50b640-0ed0-4061-9904-2277a224c918","text_snippet":"57,754","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":57647,"prior_value":57754.0},{"tag":"us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent","current_period_value":26343,"prior_period_value":23164.0,"visual_current_value":26343,"visual_prior_value":23164.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-1461ec8e-f876-421b-8634-03336be805ed","text_snippet":"26,343","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-0ef129e7-5689-4483-b645-fd196d83185e","text_snippet":"23,164","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":26343,"prior_value":23164.0},{"tag":"us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent","current_period_value":26343,"prior_period_value":23164.0,"visual_current_value":26343,"visual_prior_value":23164.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedOtherComprehensiveIncomeMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedOtherComprehensiveIncomeMember","member_label":"Accumulated Other Comprehensive Income"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-089bd26b-09cd-4927-b280-649d104ffe23","text_snippet":"26,343","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-03c65597-5361-4c5a-a195-73495642e603","text_snippet":"23,164","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":26343,"prior_value":23164.0},{"tag":"us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent","current_period_value":121529,"prior_period_value":-66046.0,"visual_current_value":121529,"visual_prior_value":-66046.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-821debc1-02cb-44ba-bffe-3ec4e1c5e9cb","text_snippet":"121,529","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-d0cebac1-781c-4132-98cd-dff24ce8e3e6","text_snippet":"66,046","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":121529,"prior_value":-66046.0},{"tag":"us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":10.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,10.0,9],"section_concept":null,"section_label":null}],"concept_label":"Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent","current_period_value":121529,"prior_period_value":-66046.0,"visual_current_value":121529,"visual_prior_value":-66046.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AccumulatedOtherComprehensiveIncomeMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AccumulatedOtherComprehensiveIncomeMember","member_label":"Accumulated Other Comprehensive Income"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-bd22928c-ebc4-45ae-a0a8-1732d0172af8","text_snippet":"121,529","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember","char_anchor":"ct-nonFraction-a31d5538-fe51-4cbf-b21e-3b8141e37729","text_snippet":"66,046","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":121529,"prior_value":-66046.0},{"tag":"us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture","current_period_value":17,"prior_period_value":35.0,"visual_current_value":17,"visual_prior_value":35.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-55b52b37-e079-4926-bc6b-111373fb6b98","text_snippet":"17","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-d19c657f-e202-4ab2-adba-0b227407dab8","text_snippet":"35","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":17,"prior_value":35.0},{"tag":"us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":5.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,5.0,4],"section_concept":null,"section_label":null}],"concept_label":"Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture","current_period_value":560,"prior_period_value":391.0,"visual_current_value":560,"visual_prior_value":391.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-730646d3-e37c-4667-8299-40d750d72c73","text_snippet":"560","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-f4ab9e1c-10c2-4015-8603-6495b94c8195","text_snippet":"391","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":560,"prior_value":391.0},{"tag":"us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture","current_period_value":2427,"prior_period_value":5715.0,"visual_current_value":2427,"visual_prior_value":5715.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-7859a3df-deb7-4f05-abb8-fbdeeb18354a","text_snippet":"2,427","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-3906d235-7388-4045-bde6-f0142a62e292","text_snippet":"5,715","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2427,"prior_value":5715.0},{"tag":"us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture","current_period_value":2427,"prior_period_value":5715.0,"visual_current_value":2427,"visual_prior_value":5715.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AdditionalPaidInCapitalMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AdditionalPaidInCapitalMember","member_label":"Additional Paid In Capital"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-c3332ee0-a5e9-472f-82cd-2910dd231328","text_snippet":"2,427","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_7_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-f4568068-a773-47b8-8d9e-da7bf7b91e03","text_snippet":"5,715","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":2427,"prior_value":5715.0},{"tag":"us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture","current_period_value":26616,"prior_period_value":8907.0,"visual_current_value":26616,"visual_prior_value":8907.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-2981aa6b-5262-4bca-80a3-80dccf65ccd5","text_snippet":"26,616","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-379b89e1-c521-4d32-92f6-6f81620e2596","text_snippet":"8,907","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":26616,"prior_value":8907.0},{"tag":"us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture","current_period_value":5,"prior_period_value":4.0,"visual_current_value":5,"visual_prior_value":4.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-6df1d616-5ede-479b-a7c6-0dbc0bd9f847","text_snippet":"5","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-cc68b26b-c47a-472e-886d-b1cf82aaf975","text_snippet":"4","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":5,"prior_value":4.0},{"tag":"us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":4.0,"preferred_label_role":"terseLabel","global_sort_position":[0,1.0,0,3.0,2,4.0,3],"section_concept":null,"section_label":null}],"concept_label":"Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture","current_period_value":26611,"prior_period_value":8903.0,"visual_current_value":26611,"visual_prior_value":8903.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:AdditionalPaidInCapitalMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:AdditionalPaidInCapitalMember","member_label":"Additional Paid In Capital"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-ff1066a0-d59b-4347-b1e8-321d1d8e0067","text_snippet":"26,611","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember","char_anchor":"ct-nonFraction-4f8e83ff-2d4a-4347-adf2-bde9e94ee4c6","text_snippet":"8,903","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":26611,"prior_value":8903.0},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodShares","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":9.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Shares","current_period_value":1348,"prior_period_value":935.0,"visual_current_value":-1348,"visual_prior_value":-935.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-6996d431-92ca-47b6-94cd-af866be26364","text_snippet":"1,348","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-91847075-0d38-4664-ac4b-96a3d34d3b1f","text_snippet":"935","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-1348,"prior_value":-935.0},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodShares","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":9.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,9.0,8],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Shares","current_period_value":731,"prior_period_value":null,"visual_current_value":-731,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-d3607c9f-1212-42b6-b9b3-fbd0dd4da7d3","text_snippet":"731","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-731,"prior_value":null},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodValue","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Value","current_period_value":281531,"prior_period_value":200019.0,"visual_current_value":-281531,"visual_prior_value":-200019.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-28b31c5d-0443-475c-9acf-4de05a527ab2","text_snippet":"281,531","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024","char_anchor":"ct-nonFraction-133b0fc5-8a46-4897-8eec-44f77ac89246","text_snippet":"200,019","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-281531,"prior_value":-200019.0},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodValue","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Value","current_period_value":13,"prior_period_value":9.0,"visual_current_value":-13,"visual_prior_value":-9.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-778993a3-a404-4557-a50c-577af6e30368","text_snippet":"13","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-a8a38fb8-7c7a-4958-b1af-6c190c4a5bfc","text_snippet":"9","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":1,"scale":"thousands","current_value":-13,"prior_value":-9.0},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodValue","date_type":"YTD","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Value","current_period_value":281518,"prior_period_value":200010.0,"visual_current_value":-281518,"visual_prior_value":-200010.0,"end_current":"2025-09-30","end_prior":"2024-09-30","axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:RetainedEarningsMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:RetainedEarningsMember","member_label":"Retained Earnings"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_1_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-2855b828-c473-44fe-888f-2224ac7fbfa8","text_snippet":"281,518","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":{"context_ref":"Duration_1_1_2024_To_9_30_2024_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-fec5ff75-99b7-42da-8df4-cdae7b54c3db","text_snippet":"200,010","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405424000012/sbac-20240930x10q.htm","accession":"0001034054-24-000012"}},"collision_flag":0,"scale":"thousands","current_value":-281518,"prior_value":-200010.0},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodValue","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Value","current_period_value":7,"prior_period_value":null,"visual_current_value":-7,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementClassOfStockAxis=us-gaap:CommonClassAMember|us-gaap:StatementEquityComponentsAxis=us-gaap:CommonStockMember","dimensions":[{"axis":"us-gaap:StatementClassOfStockAxis","axis_label":"Statement Class Of Stock","member":"us-gaap:CommonClassAMember","member_label":"Common Class A"},{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:CommonStockMember","member_label":"Common Stock"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementClassOfStockAxis_us-gaap_CommonClassAMember_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember","char_anchor":"ct-nonFraction-2bac8bcf-5a13-4835-9e01-21f8a36330f1","text_snippet":"7","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-7,"prior_value":null},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodValue","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Value","current_period_value":150828,"prior_period_value":null,"visual_current_value":-150828,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"us-gaap:StatementEquityComponentsAxis=us-gaap:RetainedEarningsMember","dimensions":[{"axis":"us-gaap:StatementEquityComponentsAxis","axis_label":"Equity Components","member":"us-gaap:RetainedEarningsMember","member_label":"Retained Earnings"}],"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember","char_anchor":"ct-nonFraction-5427020a-9203-475b-98df-c67e20a58b6d","text_snippet":"150,828","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-150828,"prior_value":null},{"tag":"us-gaap:StockRepurchasedAndRetiredDuringPeriodValue","date_type":"Q","period_type":"duration","presentation_role":"statementconsolidatedstatementsofshareholdersdeficit","presentation_hierarchy":[{"role":"statementconsolidatedstatementsofshareholdersdeficit","parent":"us-gaap:StatementLineItems","order":8.0,"preferred_label_role":"negatedLabel","global_sort_position":[0,1.0,0,3.0,2,8.0,7],"section_concept":null,"section_label":null}],"concept_label":"Stock Repurchased and Retired During Period, Value","current_period_value":150835,"prior_period_value":null,"visual_current_value":-150835,"visual_prior_value":null,"end_current":"2025-09-30","end_prior":null,"axis_key":"__NONE__","dimensions":null,"source":"xbrl","source_ref":{"type":"xbrl_context","current":{"context_ref":"Duration_7_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-8a32bbd5-eb6e-42c3-a91a-e57079bfe998","text_snippet":"150,835","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"prior":null},"collision_flag":0,"scale":"thousands","current_value":-150835,"prior_value":null}],"producer_parser_version":"854e467d","producer_source":"prewarm_sp500","_financials_schema_version":1,"cache_version":13,"semantic_status":"partial","coverage_status":"partial","scope_warnings":[{"type":"mixed_scope_cash_flow","scope_status":"mixed_scope_warning","statement_role":"cash_flow","affected_tags":["us-gaap:NetCashProvidedByUsedInOperatingActivities"],"message":"Operating cash flow is reported as consolidated cash flow while the filing also discloses discontinued operations or wind-down activity (International Site Leasing [Member]; Business Segments; sbac:InternationalSiteLeasingRevenueMember). Do not divide this consolidated CFO by continuing-operations revenue without an adjustment.","evidence":{"cash_flow_fact_source_ref":{"context_ref":"Duration_1_1_2025_To_9_30_2025","char_anchor":"ct-nonFraction-af763d0f-f8cc-4e0c-958f-1442fdd7aa6c","text_snippet":"987,303","filing_url":"https://www.sec.gov/Archives/edgar/data/1034054/000103405425000010/sbac-20250930x10q.htm","accession":"0001034054-25-000010"},"disclosure_signal":{"tag":"sbac:DisposalGroupIncludingDiscontinuedOperationCurrentLeaseLiabilities","concept_label":"Current lease liabilities","axis_key":"us-gaap:StatementBusinessSegmentsAxis=sbac:InternationalSiteLeasingRevenueMember","dimensions":[{"axis":"us-gaap:StatementBusinessSegmentsAxis","axis_label":"Business Segments","member":"sbac:InternationalSiteLeasingRevenueMember","member_label":"International Site Leasing [Member]"}]}}}]}