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General (Narrative) (Details)	12 Months Ended
General (Narrative) (Details)	Dec. 31, 2013 item
General [Abstract]
Company owned tower sites	20,079

X

- Definition

Company owned tower sites.

+ References

No definition available.

+ Details

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Namespace Prefix:	sbac_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
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