Segment and Geographic Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | segment			1
Number of Reportable Segments | segment			1
Operating Revenues	$ 1,192,083	$ 1,133,136	$ 3,458,727	$ 3,316,715
Investments in Properties, net	24,219,495		24,219,495		$ 22,569,930
Operating lease right-of-use assets, net	1,253,393		1,253,393		1,405,441
Net Assets in Foreign Operations	5,741,700		5,741,700		3,865,400
United States
Segment Reporting Information [Line Items]
Operating Revenues	707,200	710,700	2,052,100	2,087,900
Investments in Properties, net	11,255,300		11,255,300		11,167,900
Operating lease right-of-use assets, net	688,900		688,900		719,100
Outside the United States
Segment Reporting Information [Line Items]
Operating Revenues	484,800	$ 422,500	1,406,600	$ 1,228,800
Investments in Properties, net	11,051,200		11,051,200		9,594,300
Operating lease right-of-use assets, net	$ 564,400		$ 564,400		$ 686,400
Outside the United States | Revenue | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Concentration risk	40.70%	37.30%	40.70%	37.00%