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Derivative Hedging Instruments - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Derivatives Fair Value [Line Items]      
Swap fees $ 275,000 $ 232,000 $ 673,000
Amount of netting arrangement 2,180,000 6,330,000  
Interest Rate Swap [Member] | Cash Flow Hedging [Member]      
Derivatives Fair Value [Line Items]      
Fair value (74,000)    
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Cash Flow Hedging [Member]      
Derivatives Fair Value [Line Items]      
Notional amount 100,000,000    
Fair value (74,000)    
Cash and Cash Equivalents [Member] | Interest Rate Swap [Member]      
Derivatives Fair Value [Line Items]      
Cash and securities at fair value pledged for collateral $ 0 $ 0