Allowance for Loss Sharing - Schedule of Allowance for Loss Sharing (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Loss Contingency Accrual [Roll Forward] | ||
| Beginning balance | $ 19,484 | $ 0 |
| Allowance acquired in acquisition | 23,586 | |
| Provision/(benefit) for loss sharing | 5,340 | (4,102) |
| Charge offs for specific allowance for loss sharing | (222) | |
| Ending balance | 24,602 | 19,484 |
| General Reserve | ||
| Loss Contingency Accrual [Roll Forward] | ||
| Beginning balance | 10,151 | 0 |
| Allowance acquired in acquisition | 11,919 | |
| Provision/(benefit) for loss sharing | 5,987 | (1,768) |
| Charge offs for specific allowance for loss sharing | 0 | |
| Ending balance | 16,138 | 10,151 |
| Specific Reserve | ||
| Loss Contingency Accrual [Roll Forward] | ||
| Beginning balance | 9,333 | 0 |
| Allowance acquired in acquisition | 11,667 | |
| Provision/(benefit) for loss sharing | (647) | (2,334) |
| Charge offs for specific allowance for loss sharing | (222) | |
| Ending balance | $ 8,464 | $ 9,333 |