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Derivative and Hedging Activities - Cumulative Basis Adjustment For Fair Value Hedges (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying Amount of the Hedged Assets/(Liabilities) $ 148,633,000  
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) (1,367,000)  
Amortized cost basis of the closed portfolios used in these hedging relationships 763,400,000  
Designated hedged items, amount $ 150,000,000  
Hedged Asset, Statement Of Financial Position Extensible Enumeration, Not Disclosed Flag Consolidated Statement of Condition  
Fixed Rate Loans    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Carrying Amount of the Hedged Assets/(Liabilities) $ 148,633,000 $ 0
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) $ (1,367,000)