Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Commitments and Contingencies Disclosure [Abstract] | |||||
| Floating interest rate loan commitments | $ 3,197,677 | $ 3,012,819 | |||
| Total principal amount of loans repurchased or indemnified | $ 783 | $ 2,576 | 2,147 | $ 5,827 | |
| Reserves associated with potential losses on loans | $ 938 | $ 938 | $ 696 | ||