Real Estate (Summary of Real Estate Subject to Operating Leases) (Details) - USD ($)		Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Land and improvements	[1]	$ 2,888,355,000	$ 2,878,400,000
Buildings and improvements		7,526,840,000	7,368,873,000
Leasehold interests		355,000	355,000
Real estate subject to operating leases, gross		10,415,550,000	10,247,628,000
Less accumulated depreciation and amortization		(1,958,444,000)	(1,863,451,000)
Real estate subject to operating leases, net, before work in progress		8,457,106,000	8,384,177,000
Work in progress and improvements		117,754,000	144,068,000
Accounted for using the operating method		8,574,860,000	8,528,245,000
Accounted for using the direct financing method		2,634,000	3,033,000
Classified as held for sale	[2]	9,442,000	4,573,000
Accounted for using the operating method, net of accumulated depreciation and amortization		8,586,936,000	8,535,851,000
Asset under construction
Property, Plant and Equipment [Line Items]
Land and improvements		$ 56,895,000	$ 96,464,000

[1] (1) Includes $56,895 and $96,464 in land for Properties under construction at June 30, 2024 and December 31, 2023, respectively.

[2] (2) As of June 30, 2024, six Properties were classified as held for sale. The one property classified as held for sale as of December 31, 2023 was sold during the six months ended June 30, 2024.