Segment Data (Schedule of Segment Reporting Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenues	$ 693,700	$ 667,595	$ 660,477	$ 657,862	$ 675,024	$ 682,544	$ 678,500	$ 675,516	$ 2,679,634	$ 2,711,584	$ 2,633,454
Cost of revenues									581,727	612,622	668,650
Operating profit									2,097,907	2,098,962	1,964,804
Selling, general, and administrative expenses									258,756	267,936	261,853
Acquisition and new business initiatives related adjustments and expenses									25,946	21,671	26,807
Asset impairment and decommission costs									107,925	169,387	43,160
Depreciation, amortization and accretion	65,073	63,515	64,179	76,750	171,400	180,674	181,820	182,415	269,517	716,309	707,576
Operating income	382,339	$ 375,596	$ 354,470	$ 323,358	209,687	$ 248,604	$ 241,227	$ 224,141	1,435,763	923,659	925,408
Other expense, net (principally interest expense and other income)									(663,097)	(375,156)	(399,565)
Income before income taxes									772,666	548,503	525,843
Cash capital expenditures									528,296	368,613	1,394,395
Assets	11,417,336				10,178,441				11,417,336	10,178,441
Domestic Site Leasing [Member]
Segment Reporting Information [Line Items]
Revenues									1,861,424	1,846,554	1,777,593
Cost of revenues									269,168	268,572	264,149
Operating profit									1,592,256	1,577,982	1,513,444
Selling, general, and administrative expenses									132,627	121,782	102,619
Acquisition and new business initiatives related adjustments and expenses									14,954	10,725	13,280
Asset impairment and decommission costs									49,777	138,699	33,880
Depreciation, amortization and accretion									145,041	457,169	489,072
Operating income									1,249,857	849,607	874,593
Cash capital expenditures									374,339	244,366	235,787
Assets	6,206,748				5,876,648				6,206,748	5,876,648
International Site Leasing [Member]
Segment Reporting Information [Line Items]
Revenues									665,341	670,381	558,982
Cost of revenues									193,829	204,115	181,536
Operating profit									471,512	466,266	377,446
Selling, general, and administrative expenses									64,583	66,619	62,911
Acquisition and new business initiatives related adjustments and expenses									10,992	10,946	13,527
Asset impairment and decommission costs									57,030	28,089	9,280
Depreciation, amortization and accretion									113,549	248,758	209,563
Operating income									225,358	111,854	82,165
Cash capital expenditures									150,345	118,972	1,148,941
Assets	3,417,981				3,871,164				3,417,981	3,871,164
Site Development [Member]
Segment Reporting Information [Line Items]
Revenues									152,869	194,649	296,879
Cost of revenues									118,730	139,935	222,965
Operating profit									34,139	54,714	73,914
Selling, general, and administrative expenses									13,983	21,316	22,911
Asset impairment and decommission costs										372
Depreciation, amortization and accretion									3,560	3,704	2,521
Operating income									16,596	29,322	48,482
Cash capital expenditures									1,014	2,573	4,057
Assets	65,481				66,001				65,481	66,001
Other [Member]
Segment Reporting Information [Line Items]
Selling, general, and administrative expenses									47,563	58,219	73,412
Asset impairment and decommission costs									1,118	2,227
Depreciation, amortization and accretion									7,367	6,678	6,420
Operating income									(56,048)	(67,124)	(79,832)
Other expense, net (principally interest expense and other income)									(663,097)	(375,156)	(399,565)
Cash capital expenditures									2,598	2,702	5,610
Assets	1,727,126				364,628				1,727,126	364,628
Brazil [Member]
Segment Reporting Information [Line Items]
Assets	$ 1,700,000								1,700,000
Brazil [Member] | International Site Leasing [Member]
Segment Reporting Information [Line Items]
Revenues									$ 379,800	392,000	$ 299,500
Assets					$ 2,100,000					$ 2,100,000
Maximum [Member] | Revenue [Member] | Geographic Concentration Risk [Member] | Foreign Countries, Other than Brazil [Member]
Segment Reporting Information [Line Items]
Concentration risk percentage									5.00%