Earnings Per Share (Weighted-Average Shares of Common Stock Outstanding used in Calculation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income attributable to SBA Communications Corporation	$ 203,648	$ 69,516	$ 304,865	$ 258,140
Basic weighted-average shares outstanding	108,355	107,850	108,244	107,966
Dilutive impact of stock options, RSUs, and PSUs	529	1,497	834	1,477
Diluted weighted-average shares outstanding	108,884	109,347	109,078	109,443
Net income per common share attributable to SBA Communications Corporation:
Basic	$ 1.88	$ 0.64	$ 2.82	$ 2.39
Diluted	$ 1.87	$ 0.64	$ 2.79	$ 2.36