Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income	$ 147,284	$ 47,451	$ 103,654
Unrealized loss on interest rate swaps	(42,131)
Foreign currency translation adjustments	(14,729)	(132,445)	(9,276)
Comprehensive income (loss)	90,424	(84,994)	94,378
Comprehensive income attributable to noncontrolling interests	(753)
Comprehensive income (loss) attributable to SBA Communications Corporation	$ 89,671	$ (84,994)	$ 94,378