Investments in Real Estate - Schedule of Net Real Estate (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Real Estate [Line Items]
Buildings and building improvements	$ 3,235,601	$ 3,144,176
Land, land estates and land improvements	342,895	367,272
Construction in progress	5,482	3,116
Real estate - intangible assets	341,403	409,293
Land held for development	104,160	0
Investments in real estate under construction	161,165	75,906
Real estate, gross	4,190,706	3,999,763
Accumulated depreciation and amortization	(655,740)	(884,465)
Real estate, net	3,534,966	3,115,298
Accumulated amortization	151,041	199,997
Amortization expense, next 12 months	33,710
Amortization expense, year 2	32,501
Amortization expense, year 3	26,638
Amortization expense, year 4	22,709
Amortization expense, year 5	19,701
In-place lease values
Real Estate [Line Items]
Real estate - intangible assets	320,847	357,640
Tenant relationships
Real Estate [Line Items]
Real estate - intangible assets	13,205	33,327
Above-market leases
Real Estate [Line Items]
Real estate - intangible assets	$ 7,351	$ 18,326

Inventory, Land Held for Development

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Real Estate Investment Property, Finite-Lived Intangible Assets and Construction in Progress, Gross

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

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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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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Carrying amount as of the balance sheet date of unprocessed goods that will be used in the course of a construction project which will become a part of the finished inventory.

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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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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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