Quarterly Financial Data	12 Months Ended
	Dec. 31, 2021
Quarterly Financial Data [Abstract]
Quarterly Financial Data	22.QUARTERLY FINANCIAL DATA (unaudited) 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) Because net income (loss) per share amounts are calculated using the weighted average number of common and dilutive common shares outstanding during each quarter, the sum of the per share amounts for the four quarters may not equal the total loss per share amounts for the year.