Annual report pursuant to Section 13 and 15(d)

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

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Derivatives and Hedging Activities - Schedule of Fair Value of Derivative Financial Instruments as well as their Classification on Balance Sheet (Detail) - USD ($)
Dec. 31, 2023
Dec. 31, 2022
Derivatives Fair Value [Line Items]    
Total derivative assets $ 6,245,000 $ 7,507,000
Total derivative liabilities 5,920,000 7,375,000
Not Designated as Hedging Instrument    
Derivatives Fair Value [Line Items]    
Total derivative assets 5,939,000  
Not Designated as Hedging Instrument | Interest Rate Products    
Derivatives Fair Value [Line Items]    
Notional Amount 104,571,000 61,460,000
Total derivative assets 5,939,000 7,507,000
Total derivative liabilities 5,920,000 $ 7,375,000
Designated as Hedging Instrument    
Derivatives Fair Value [Line Items]    
Total derivative assets 306,000  
Designated as Hedging Instrument | Interest Rate Products    
Derivatives Fair Value [Line Items]    
Notional Amount 100,000,000  
Total derivative assets $ 306,000