Liability for Losses under Representations and Warranties - Summary of Company's Liability for Losses under Representations and Warranties (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Mortgage Banking [Abstract] | ||||
| Balance, beginning of period | $ 5,955 | $ 19,519 | $ 6,886 | $ 26,143 |
| Provision for losses: | ||||
| Pursuant to loan sales | 227 | 204 | 531 | 458 |
| Reduction in liability due to change in estimate | (912) | (6,540) | (2,080) | (13,418) |
| Losses incurred | (206) | 0 | (273) | 0 |
| Balance, end of period | 5,064 | 13,183 | 5,064 | 13,183 |
| UPB of loans subject to representations and warranties at end of period | $ 218,738,822 | $ 222,907,138 | $ 218,738,822 | $ 222,907,138 |