Derivative Financial Instruments - Summary of Carrying Amount Hedged Assets/(Liabilities) (Detail) - Designated as Hedging Instrument [Member] - Interest rate swaps [Member] - Loans And Leases Net Of Unearned Income [Member] - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Carrying Amount Hedged Assets Liabilities [Line Items] | ||
| Carrying Amount of the Hedged Assets/(Liabilities) | $ 8,798 | $ 9,466 |
| Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) | (405) | (331) |
| Cumulative Amount of Fair Value Hedging Adjustment Remaining for any Hedged Assets/(Liabilities) for which Hedge Accounting has been Discontinued | $ 0 | $ 0 |