Quarterly report [Sections 13 or 15(d)]

Derivatives and Hedging Activities - Effect of Derivative Financial Instruments that are Not Designated as Hedging Instruments on Income Statement (Detail)

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Derivatives and Hedging Activities - Effect of Derivative Financial Instruments that are Not Designated as Hedging Instruments on Income Statement (Detail) - Not Designated as Hedging Instrument - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Derivative Instruments Gain Loss [Line Items]    
Amount of Gain or (Loss) Recognized in Income on Derivative $ (15) $ 23
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income
Interest Rate Products    
Derivative Instruments Gain Loss [Line Items]    
Amount of Gain or (Loss) Recognized in Income on Derivative $ (15) $ 23