Quarterly report pursuant to Section 13 or 15(d)

Derivatives and Hedging Activities - Schedule of Fair Value of Derivative Financial Instruments as well as their Location on Balance Sheet (Detail)

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Derivatives and Hedging Activities - Schedule of Fair Value of Derivative Financial Instruments as well as their Location on Balance Sheet (Detail) - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Derivatives Fair Value [Line Items]    
Total derivative assets $ 7,891,000 $ 1,379,000
Total derivative liabilities 7,724,000 1,360,000
Not Designated as Hedging Instrument | Interest Rate Products    
Derivatives Fair Value [Line Items]    
Notional Amount 61,589,000 61,968,000
Total derivative assets 7,891,000 1,379,000
Total derivative liabilities $ 7,724,000 $ 1,360,000