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Derivative Financial Instruments - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Derivatives          
Accumulated derivative credit valuation adjustment $ 116,000   $ 116,000   $ 149,000
Interest Rate Swap Agreements on Loans with Third-party Counter Parties          
Derivatives          
Interest rate swaps - assets, fair value 35,500,000   35,500,000    
Interest rate swaps - liabilities, fair value 10,200,000   10,200,000    
Interest Rate Swap Related to AFS Securities | Designated as Hedging Instrument          
Derivatives          
Unrealized loss on interest rate swaps 13,000 $ 246,000 257,000 $ 24,000  
Gain recognized in income on ineffective portion of hedges 0 0 0 0  
Interest Rate Swap Related to FHLB Borrowings | Designated as Hedging Instrument          
Derivatives          
Unrealized loss on interest rate swaps 665,000 11,600,000 9,500,000 6,500,000  
Gain recognized in income on ineffective portion of hedges $ 0 $ 0 $ 0 $ 0