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Fair Value Measurement - Schedule of Sensitivity Analysis of Fair Value (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value of beneficial interest assets | $ 266,761 | $ 176,848
Expected prepayment rates |  |
Beneficial interest liabilities | 10,500 | 10,100
Beneficial Interests |  |
Expected credit risk rate spreads on underlying loans |  |
10% adverse change | 23,371 | 4,720
20% adverse change | 46,370 | 10,259
Loans Held For Sale And Investment |  |
Discount rates |  |
100 basis point increase | (11,755) | (9,048)
200 basis point increase | (23,060) | (17,881)
Expected credit loss rates on underlying loans |  |
10% adverse change | (9,675) | (9,135)
20% adverse change | (19,001) | (18,129)
Expected prepayment rates |  |
10% adverse change |  | (1,899)
20% adverse change |  | (3,783)
Loans Held in Consolidated Securitization |  |
Expected credit loss rates on underlying loans |  |
10% adverse change |  | (1,799)
20% adverse change |  | (3,577)
Beneficial Interests |  |
Discount rates |  |
100 basis point increase | (3,840) | (3,247)
200 basis point increase | (7,559) | (6,384)
Expected credit loss rates on underlying loans |  |
10% adverse change | (58,065) | (44,356)
20% adverse change | (115,145) | (89,605)
Fair Value, Inputs, Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value of loans held-for-sale and held-for-investment | 1,019,504 | 806,304
Fair value of beneficial interest assets | 266,761 | 176,848
Expected prepayment rates |  |
Beneficial interest liabilities | 10,532 | 10,089
Fair Value, Inputs, Level 3 | Beneficial Interests |  |
Expected prepayment rates |  |
Beneficial interest liabilities | 10,532 | 10,089
Fair Value, Inputs, Level 3 | Loans Held For Sale And Investment |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value of loans held-for-sale and held-for-investment | 943,654 | 703,355
Fair Value, Inputs, Level 3 | Loans Held in Consolidated Securitization |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value of loans held-for-sale and held-for-investment | $ 75,850 | $ 102,949

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