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Derivative Financial Instruments (Narrative Disclosures) (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Derivatives      
Accumulated Derivative Credit Valuation Adjustment $ 38,000 $ 191,000  
Ineffective portion of hedges 0    
Interest rate swap agreements on loans with third-party counter parties      
Derivatives      
Interest rate swaps 61,400,000    
Derivative Liability, Fair Value, Gross Liability 1,000,000    
Interest rate swap related to FHLB borrowings | Designated as Hedging Instrument      
Derivatives      
Unrealized gains on interest rate swaps 8,500,000 3,600,000 $ 3,000,000
Interest rate swap related to AFS securities | Designated as Hedging Instrument      
Derivatives      
Unrealized gains on interest rate swaps 602,000 $ 0 $ 0
Ineffective portion of hedges $ 0