Real Estate (Summary of Real Estate Subject to Operating Leases) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property Subject to or Available for Operating Lease [Line Items]
Land and improvements	$ 2,556,405	$ 2,527,483
Buildings and improvements	6,536,540	6,375,583
Leasehold interests	355	355
Real estate subject to operating leases, gross	9,093,300	8,903,421
Less accumulated depreciation and amortization	(1,517,047)	(1,470,062)
Real estate subject to operating leases, net, before work in progress	7,576,253	7,433,359
Work in progress for buildings and improvements	11,811	7,277
Accounted for using the operating method	7,588,064	7,440,636
Accounted for using the direct financing method	3,579	3,653
Real estate portfolio	7,591,643	7,444,289
Asset under construction
Property Subject to or Available for Operating Lease [Line Items]
Land and improvements	$ 8,070	$ 8,979

Operating Lease, Net Investment In Lease

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- Definition

Real Estate Investment Property, Net, Before Development In Process

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- Definition

The current amount of expenditures for a real estate project that has not yet been completed.

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- Definition

Amount, before allowance for credit loss, of net investment in direct financing lease.

+ References

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Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

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Amount before accumulated deprecation and depletion of real estate held for productive use and additions or improvements to real estate held for productive use, examples include, but are not limited to, walkways, driveways, fences, and parking lots. Excludes land held for sale.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The cumulative amount of depreciation for real estate property held for investment purposes.

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Carrying amount as of the balance sheet date of improvements having a life longer than one year that were made for the benefit of one or more tenants.

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