Nature of Operations - Additional Information (Detail) $ in Thousands |
3 Months Ended | 15 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2026
USD ($)
InsurancePolicy
|
Mar. 31, 2025
USD ($)
InsurancePolicy
|
Mar. 31, 2026
USD ($)
InsurancePolicy
|
|
| Nature Of Operations [Line Items] | |||
| Assumed policies | InsurancePolicy | 0 | 13,917 | 13,917 |
| Annualized premiums written | $ | $ 0 | $ 35,820 | $ 35,820 |
| Common stock shares outstanding owned by consolidating entity percentage | 82.50% | 82.50% | |