Guarantees - Credit recourse - Additional Information (Details) - Guarantee on loans sold or serviced with credit recourse - USD ($) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Guarantor Obligations [Line Items] | ||||
| Valuation allowances and reserves balance | $ 2,397 | $ 4,353 | $ 2,611 | $ 4,211 |
| Serviced mortgage loans | ||||
| Guarantor Obligations [Line Items] | ||||
| Loans serviced | 8,800,000 | 9,000,000 | ||
| Loans with recourse | Serviced mortgage loans | ||||
| Guarantor Obligations [Line Items] | ||||
| Repurchased loans | 300 | $ 600 | ||
| Loans with recourse | Residential mortgage loans | ||||
| Guarantor Obligations [Line Items] | ||||
| Loans serviced | $ 477,000 | $ 495,000 | ||