Qualified Affordable Housing Project Investments - Additional Information (Detail) - USD ($) $ in Thousands |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Equity Method Investments and Joint Ventures [Abstract] | |||
| Qualified affordable housing project investments | $ 3,400 | $ 3,600 | |
| Funded balance in qualified affordable housing projects | 3,554 | 3,120 | |
| Funded commitments related to the investments in qualified affordable housing projects | 4,000 | 4,000 | |
| Unfunded commitments related to the investments in qualified affordable housing projects | $ 446 | $ 880 | |
| Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] | Other Assets | Other Assets | |
| Impairment losses related to investments in qualified affordable housing projects | no | no | |