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Fair Value Measurement - Additional Information (Details) - Appraisal value - Level 3 - Non-Recoverable Rate | Sep. 30, 2025 | Dec. 31, 2024
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Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for investment, measurement input | 0.00% | 0.00%
Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for investment, measurement input | 63.00% | 61.00%
Weighted average |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans held for investment, measurement input | 23.00% | 18.00%

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