Quarterly report pursuant to Section 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 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain or (Loss) Recognized in Income on Derivative $ 3 $ 43 $ 26 $ (85)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Noninterest Income, Other Operating Income Noninterest Income, Other Operating Income 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 $ 3 $ 43 $ 26 $ (85)