Segment and Geographic Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | segment	1
Number of Reportable Segments | segment	1
Operating Revenues	$ 5,477,061	$ 4,691,834	$ 4,427,882
Investments in Properties, net	26,531,977	25,766,088
Net Assets in Foreign Operations	6,778,400	6,330,200
Operating lease right-of-use assets, net	1,414,256	1,351,329
United States
Segment Reporting Information [Line Items]
Operating Revenues	2,836,000	2,760,400	2,769,500
Investments in Properties, net	10,429,100	11,517,300
Operating lease right-of-use assets, net	610,200	647,000
Outside the United States
Segment Reporting Information [Line Items]
Operating Revenues	2,641,100	1,931,400	$ 1,658,400
Investments in Properties, net	13,806,900	12,257,400
Operating lease right-of-use assets, net	$ 804,000	$ 704,300
Outside the United States | Revenue | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk	48.20%	41.20%	37.50%