Losses and Loss Adjustment Expenses - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Reserves For Losses And Loss Adjustment Expenses [Line Items] | ||
| Prior periods | $ (0) | $ 0 |
| Total incurred, net of reinsurance | 59,291 | 79,922 |
| Preliminary net loss estimated | 59,291 | $ 79,922 |
| Citizens [Member] | ||
| Reserves For Losses And Loss Adjustment Expenses [Line Items] | ||
| Total incurred, net of reinsurance | $ 10,775 | |