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Derivative Financial Instruments - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Derivatives          
Accumulated derivative credit valuation adjustment $ 38,000   $ 38,000   $ 117,000
Interest Rate Swap Agreements on Loans with Third-party Counter Parties          
Derivatives          
Interest rate swaps - assets, fair value 61,800,000   61,800,000    
Interest rate swaps - liabilities, fair value 2,100,000   2,100,000    
Interest Rate Swap Related to AFS Securities | Designated as Hedging Instrument          
Derivatives          
Unrealized gains on interest rate swaps 82,000 $ 107,000 223,000 $ (68,000)  
Gain recognized in income on ineffective portion of hedges     0 0  
Interest Rate Swap Related to FHLB Borrowings | Designated as Hedging Instrument          
Derivatives          
Unrealized gains on interest rate swaps $ 300,000 $ 3,600,000 5,100,000 2,200,000  
Gain recognized in income on ineffective portion of hedges     $ 0 $ 0