Quarterly Financial Data (Schedule of Quarterly Financial Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Quarterly Financial Data [Abstract]
Revenues	$ 675,024	$ 682,544	$ 678,500	$ 675,516	$ 686,094	$ 675,584	$ 652,006	$ 619,770	$ 2,711,584	$ 2,633,454	$ 2,308,834
Operating income	209,687	248,604	241,227	224,141	234,664	242,987	230,978	216,779	923,659	925,408	782,495
Depreciation, accretion, and amortization	(171,400)	(180,674)	(181,820)	(182,415)	(183,036)	(173,825)	(176,392)	(174,323)	(716,309)	(707,576)	(700,161)
Net income attributable to SBA Communications Corporation	$ 109,528	$ 87,419	$ 203,648	$ 101,217	$ 103,281	$ 100,009	$ 69,516	$ 188,623	$ 501,812	$ 461,429	$ 237,624
Basic	$ 1.01	$ 0.81	$ 1.88	$ 0.94	$ 0.96	$ 0.93	$ 0.64	$ 1.75	$ 4.64	$ 4.27	$ 2.17
Net income (loss) per common share - basic	1.01	0.81	1.88	0.94	0.96	0.93	0.64	1.75	4.64	4.27	2.17
Net income (loss) per common share - diluted	$ 1.01	$ 0.80	$ 1.87	$ 0.93	$ 0.94	$ 0.91	$ 0.64	$ 1.72	$ 4.61	$ 4.22	$ 2.14