Derivative Financial Instruments - Summary of Designated and Qualifying Hedged Items in Fair Value Hedges (Detail) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Derivative [Line Items] | ||
| Carrying Amount | $ 13,911 | $ 14,337 |
| Hedging Fair Value Adjustment | (1,082) | (1,129) |
| Fair Value Adjustments on Discontinued Hedges | (343) | (354) |
| Commercial Real Estate [Member] | ||
| Derivative [Line Items] | ||
| Carrying Amount | $ 13,911 | $ 14,337 |
| Hedged Asset, Statement of Financial Position [Extensible Enumeration] | Loans, net of allowance for credit losses | Loans, net of allowance for credit losses |
| Hedging Fair Value Adjustment | $ (1,082) | $ (1,129) |
| Fair Value Adjustments on Discontinued Hedges | $ (343) | $ (354) |