Borrowings - Summary of Federal Home Loan Bank Advances (Detail) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Federal Home Loan Bank Advances [Line Items] | ||
| Total Federal Home Loan Bank advances | $ 347,660 | $ 300,000 |
| Total Federal Home Loan Bank advances, Weighted Average Rate | 3.81% | 3.87% |
| Federal Home Loan Bank Line of Credit Advances [Member] | ||
| Federal Home Loan Bank Advances [Line Items] | ||
| Total Federal Home Loan Bank advances | $ 250,250 | $ 200,000 |
| Total Federal Home Loan Bank advances, Weighted Average Rate | 3.83% | 3.89% |
| Federal Home Loan Bank Fixed Rate Term Advances [Member] | ||
| Federal Home Loan Bank Advances [Line Items] | ||
| Total Federal Home Loan Bank advances | $ 97,410 | $ 100,000 |
| Total Federal Home Loan Bank advances, Weighted Average Rate | 3.77% | 3.84% |