Real Estate (Real Estate Subject to Operating Leases) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property Subject to or Available for Operating Lease [Line Items]
Land and improvements	$ 2,533,379	$ 2,489,243
Buildings and improvements	6,331,216	6,009,797
Leasehold interests	355	355
Real estate subject to operating leases, gross	8,864,950	8,499,395
Less accumulated depreciation and amortization	(1,434,760)	(1,317,407)
Real estate subject to operating leases, net, before work in progress	7,430,190	7,181,988
Work in progress for buildings and improvements	8,551	26,673
Accounted for using the operating method	7,438,741	7,208,661
Accounted for using the direct financing method	3,732	3,994
Real estate portfolio	7,442,473	7,212,655
Asset under construction
Property Subject to or Available for Operating Lease [Line Items]
Land and improvements	$ 8,844	$ 8,421

Operating Lease, Net Investment In Lease

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- Definition

Real Estate Investment Property, Net, Before Development In Process

+ References

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

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- Definition

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.

+ References

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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