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)

v3.22.2.2
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 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Derivative Instruments Gain Loss [Line Items]        
Amount of Gain or (Loss) Recognized in Income on Derivative $ 35 $ 7 $ 148 $ 92
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 $ 35 $ 7 $ 148 $ 92