Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Consolidated Statements of Operations [Abstract]
Non-cash compensation expense	$ 17,279	$ 18,655	$ 61,616	$ 54,569

Share based compensation allocated to selling general and administrative expense.

No definition available.

Name:	sbac_ShareBasedCompensationAllocatedToSellingGeneralAndAdministrativeExpense
Namespace Prefix:	sbac_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration