Real Estate, Operating Real Estate, Real Estate Under Construction, and Equity Investment in Real Estate - Property Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investments in real estate:
Net investments in real estate	$ 1,942,545	$ 2,124,244
Real Estate
Investments in real estate:
Land	264,590	235,243
Buildings and improvements	1,248,664	1,205,111
Less: Accumulated depreciation	(199,664)	(172,319)
Net investments in real estate	1,313,590	1,268,035
Operating Real Estate
Investments in real estate:
Land	80,481	89,148
Buildings and improvements	397,107	507,850
Less: Accumulated depreciation	(80,035)	(73,569)
Net investments in real estate	$ 397,553	$ 523,429

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 depletion of real estate held for productive use, excluding land held for sale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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, 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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