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Equity Investments, at Fair Value - Schedule of Income From Multi-Family Preferred Equity Ownership Interests (Details) - Equity investments - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | $ 7,912 | $ 20,462 | $ 18,670
EHOF-NYMT Sunset Apartments Preferred, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 2,722 | 2,579 | 1,939
Lucie at Tradition Holdings, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 3,355 | 2,841 | 2,008
Hudson Bridge Apartments, LLC - Series A, Briar Hill Apartments, LLC, Kings Glen Apartments, LLC, Flagstone Apartments, LLC, Brookfield Apartments II, LLC - Series B, and Silber JBSM Properties, LLC (collectively) |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 1,070 | 1,234 | 540
Tides on 27th Investors, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | (3,320) | 2,513 | 0
Rapid City RMI JV LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 1,594 | 541 | 0
Syracuse Apartments and Townhomes, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 2,422 | 2,691 | 1,816
Palms at Cape Coral, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 69 | 751 | 554
FF/RMI 20 Midtown, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 3,948 | 2,904
America Walks at Port St. Lucie, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 2,244 | 3,140
1122 Chicago DE, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 419 | 959
Bighaus, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 701 | 1,852
Somerset Deerfield Investor, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 0 | 1,944
RS SWD Owner, LLC, RS SWD Mitchell Owner, LLC, RS SWD IF Owner, LLC, RS SWD Mullis Owner, LLC, RS SWD JH Mullis Owner, LLC and RS SWD Saltzman Owner, LLC (collectively) |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 0 | 529
Walnut Creek Properties Holdings, L.L.C. |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 0 | (153)
DCP Gold Creek, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 0 | 254
Rapid City RMI JV LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | 0 | 0 | (174)
Lurin-RMI, LLC |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Changes in fair value, gain (loss) | $ 0 | $ 0 | $ 558

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