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Use of Special Purpose Entities (SPE) and Variable Interest Entities (VIE) - Fair Value of the Assets, Liabilities and Non-controlling Interests Consolidated During Period (Details) - VIE, Primary Beneficiary - Consolidated Real Estate - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Cash | $ 8,576 | $ 27,907 | $ 327
Operating real estate | 730,988 | 926,756 | 50,481
Lease intangibles | 41,892 | 51,970 | 1,619
Other assets | 8,258 | 32,690 | 1,395
Total assets | 789,714 | 1,039,323 | 53,822
Mortgages payable on real estate, net | 570,682 | 669,647 | 36,752
Other liabilities | 4,662 | 15,914 | 1,543
Total liabilities | 575,344 | 685,561 | 38,295
Redeemable non-controlling interest | 0 | 67,096 | 0
Non-controlling interests | 16,293 | 25,509 | 6,808
Net assets consolidated | $ 198,077 | $ 261,157 | $ 8,719

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