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Equity Investments, at Fair Value - Schedule of Equity Investments Accounted under the Equity Method (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Jul. 14, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Equity Method Investments | Multi-Family Preferred Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Fair Value | $ 28,825 |  |  | $ 28,825 |  | $ 73,436
Equity Method Investments | Joint Venture Equity Investments in Multi-Family Properties |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Fair Value | 0 |  |  | 0 |  | 1,338
Equity Method Investments | Single-Family Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Fair Value | 0 |  |  | 0 |  | 38,718
Equity Method Investments | Preferred Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Fair Value | $ 28,825 |  |  | $ 28,825 |  | $ 113,492
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) | Equity Method Investments | Multi-Family Preferred Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 58.00% |  |  | 58.00% |  | 58.00%
Fair Value | $ 9,879 |  |  | $ 9,879 |  | $ 9,322
Tides on 27th Investors, LLC | Equity Method Investments | Multi-Family Preferred Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 54.00% |  |  | 54.00% |  | 54.00%
Fair Value | $ 7,653 |  |  | $ 7,653 |  | $ 10,245
Rapid City RMI JV LLC | Equity Method Investments | Multi-Family Preferred Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 50.00% |  |  | 50.00% |  | 50.00%
Fair Value | $ 11,293 |  |  | $ 11,293 |  | $ 10,637
Lucie at Tradition Holdings, LLC | Equity Method Investments | Multi-Family Preferred Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 0.00% |  |  | 0.00% |  | 70.00%
Fair Value | $ 0 |  |  | $ 0 |  | $ 21,821
EHOF-NYMT Sunset Apartments Preferred, LLC | Equity Method Investments | Multi-Family Preferred Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 0.00% |  |  | 0.00% |  | 57.00%
Fair Value | $ 0 |  |  | $ 0 |  | $ 21,411
GWR Cedars Partners, LLC | Equity Method Investments | Joint Venture Equity Investments in Multi-Family Properties |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 0.00% |  |  | 0.00% |  | 70.00%
Fair Value | $ 0 |  |  | $ 0 |  | $ 141
GWR Gateway Partners, LLC | Equity Method Investments | Joint Venture Equity Investments in Multi-Family Properties |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 0.00% |  |  | 0.00% |  | 70.00%
Fair Value | $ 0 |  |  | $ 0 |  | $ 1,197
Constructive Loans LLC |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Purchase of residential loans | $ 70,900 | $ 30,200 |  | 299,600 | $ 137,600 |
Sale of residential loans |  |  | $ 18,700 |  |  |
Gain on sale of residential loans |  |  |  | $ 200 |  |
Constructive Loans LLC | Equity Method Investments | Single-Family Equity Ownership Interests |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership Interest | 0.00% |  |  | 0.00% |  | 50.00%
Fair Value | $ 0 |  |  | $ 0 |  | $ 38,718

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