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REAL ESTATE OWNED - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Sep. 19, 2024 | Sep. 08, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |  |
Outstanding principal | $ 1,404,409 |  | $ 1,698,506 |  |
Depreciation and amortization of real estate owned | 2,182 | $ 786 |  |  |
Office | Senior Mortgage Loans | NC |  |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |  |
Outstanding principal |  |  |  | $ 68,600 |
Mortgage loans on real estate loan, realized loss | 5,800 |  |  |  |
Real estate owned held for investment, net | 60,200 |  |  |  |
Other repossessed hotel assets | (201) |  |  |  |
Total real estate owned held for investment | 65,800 |  |  |  |
Mixed-Use Property |  |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |  |
Weighted-average amortization periods |  |  | 5 years |  |
Mixed-Use Property | NC |  |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |  |
Real estate owned held for investment, net | 136,864 |  | $ 139,032 |  |
Total real estate owned held for investment | 144,822 |  | 144,808 |  |
Impairment charges | $ 0 |  | $ 0 |  |
Mixed-Use Property | Senior Mortgage Loans | NC |  |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |  |
Outstanding principal |  |  |  |  | $ 82,900
Real estate owned held for investment, net |  |  |  |  | 84,300
Other repossessed hotel assets |  |  |  |  | (1,400)
Total real estate owned held for investment |  |  |  |  | 82,900
Debt derecognized |  |  |  |  | $ 82,900

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