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
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income attributable to SBA Communications Corporation	$ 154,543	$ 101,217
Basic weighted-average shares outstanding	108,102	108,132
Dilutive impact of stock options, RSUs, and PSUs	514	1,139
Diluted weighted-average shares outstanding	108,616	109,271
Net income per common share attributable to SBA Communications Corporation:
Basic	$ 1.43	$ 0.94
Diluted	$ 1.42	$ 0.93