v3.25.2
Derivative Financial Instruments - Schedule of Effects of Interest Rate Swap Agreements on Consolidated Statements of Income (Detail) - Designated as Hedging Instrument [Member] - Interest Rate Swap [Member] - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Loans, Including Fees [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effects of derivatives on consolidated statement of income $ (21) $ 19 $ (45) $ 5
Other [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effects of derivatives on consolidated statement of income 25 216 50 427
Interest Income [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effects of derivatives on consolidated statement of income $ 4 $ 235 $ 5 $ 432