Loans Held for Investment and the Allowance for Credit Losses - Schedule of Activity in Allowance for Credit Losses for Loans Held for Investment (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
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|---|---|---|---|---|---|
| Allowance for credit losses: | |||||
| Loans held for investment | [1] | $ 73,955 | $ 74,503 | ||
| Unfunded loan commitments | 2,188 | 2,920 | |||
| Total allowance for credit losses | 76,143 | 77,423 | $ 66,132 | ||
| Total unpaid principal balance | 4,934,450 | 4,118,050 | |||
| Allowance for credit losses excluded | 800 | 600 | $ 700 | ||
| General reserve | |||||
| Allowance for credit losses: | |||||
| Loans held for investment | 73,955 | 74,503 | |||
| Unfunded loan commitments | 2,188 | 2,920 | |||
| Total allowance for credit losses | 76,143 | 77,423 | |||
| Total unpaid principal balance | 4,934,450 | 4,118,050 | |||
| Specific reserve | |||||
| Allowance for credit losses: | |||||
| Loans held for investment | 0 | 0 | |||
| Unfunded loan commitments | 0 | 0 | |||
| Total allowance for credit losses | 0 | 0 | |||
| Total unpaid principal balance | $ 0 | $ 0 | |||
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