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Commitments and Contingencies (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2023
Minimum [Member] |
Schedule Of Commitments And Contingencies [Line Items] |
Business acquisitions performance target period | 1 year
Maximum [Member] |
Schedule Of Commitments And Contingencies [Line Items] |
Business acquisitions performance target period | 3 years

X
- Definition Business acquisitions performance target period + References No definition available. + Details
Name: | sbac_BusinessAcquisitionsPerformanceTargetPeriod
Namespace Prefix: | sbac_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Commitments And Contingencies [Line Items] + References No definition available. + Details
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Namespace Prefix: | sbac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |