Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Derivatives and Hedging Activities - Schedule of Fair Value of Derivative Financial Instruments as well as their Classification on Balance Sheet (Detail) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Derivatives Fair Value [Line Items]    
Total derivative assets $ 3,725,000 $ 4,690,000
Not Designated as Hedging Instrument    
Derivatives Fair Value [Line Items]    
Total derivative assets 3,725,000 4,690,000
Total derivative liabilities 3,700,000 4,650,000
Not Designated as Hedging Instrument | Interest Rate Products    
Derivatives Fair Value [Line Items]    
Notional Amount 101,198,000 101,892,000
Total derivative assets 3,725,000 4,690,000
Total derivative liabilities 3,700,000 4,650,000
Designated as Hedging Instrument    
Derivatives Fair Value [Line Items]    
Total derivative liabilities 178,000 642,000
Designated as Hedging Instrument | Interest Rate Products    
Derivatives Fair Value [Line Items]    
Notional Amount 175,000,000 175,000,000
Total derivative liabilities $ 178,000 $ 642,000