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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, 2023
Mar. 31, 2022
Earnings Per Share [Abstract]    
Net income attributable to SBA Communications Corporation $ 101,217 $ 188,623
Basic weighted-average shares outstanding 108,132 108,086
Dilutive impact of stock options, RSUs, and PSUs 1,139 1,458
Diluted weighted-average shares outstanding 109,271 109,544
Net income per common share attributable to SBA Communications Corporation:    
Basic $ 0.94 $ 1.75
Diluted $ 0.93 $ 1.72