Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements Of Comprehensive Loss [Abstract]
Net loss	$ (126,892)	$ (194,421)	$ (141,119)
Other comprehensive loss associated with derivative instruments:
Amortization of net deferred loss from settlement of derivative financial instruments, net of tax		632	622
Write-off of net deferred loss (gain) from derivative instruments related to repurchase of debt, net of tax		3,645	(3,350)
Foreign currency translation adjustments	(1,728)	701	1,474
Comprehensive loss	(128,620)	(189,443)	(142,373)
Other comprehensive (gain) loss attributable to noncontrolling interest	436	(298)	114
Comprehensive loss attributable to SBA Communications Corporation	$ (128,184)	$ (189,741)	$ (142,259)