Quarterly Financial Data (Tables)	12 Months Ended
	Dec. 31, 2021
Quarterly Financial Data [Abstract]
Schedule of Quarterly Financial Information	Quarter Ended December 31, September 30, June 30, March 31, 2021 2021 2021 2021 (in thousands, except per share amounts)Revenues $ 595,262 $ 589,305 $ 575,528 $ 548,739Operating income 197,376 211,776 199,764 173,579Depreciation, accretion, and amortization (169,895) (170,916) (175,469) (183,881)Net income (loss) attributable to SBA Communications Corporation 48,902 47,798 152,669 (11,745) Net income (loss) per common share - basic $ 0.45 $ 0.44 $ 1.40 $ (0.11)Net income (loss) per common share - diluted 0.44 0.43 1.37 (0.11) Quarter Ended December 31, September 30, June 30, March 31, 2020 2020 2020 2020 (in thousands, except per share amounts)Revenues $ 535,905 $ 522,940 $ 507,226 $ 517,067Operating income 165,100 160,337 157,054 151,203Depreciation, accretion, and amortization (180,383) (180,302) (178,706) (182,579)Net income attributable to SBA Communications Corporation 105,781 22,568 22,813 (127,058) Net income per common share - basic $ 0.96 $ 0.20 $ 0.20 $ (1.14)Net income per common share - diluted 0.94 0.20 0.20 (1.14)