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Derivative Financial Instruments - Interest Rate Swaps Designated as Cash Flow Hedges (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Sep. 17, 2021
Derivative [Line Items]        
Notional amount $ 4,000      
Cash Flow Hedging | Interest rate swap        
Derivative [Line Items]        
Notional amount $ 50,000 $ 70,000    
Swap matured       $ 20,000
Weighted average fixed pay rates 1.79% 1.80%    
Weighted average variable 3 month LIBOR receive rates 0.20% 0.22%    
Weighted average maturity in years 2 years 8 months 15 days 2 years 10 months 6 days    
Unrealized gains (losses), net of tax $ (685) $ (2,184)    
Unrealized loss to be reclassified from OCI to interest expense during next twelve months 200      
Interest income (expense) on swap transactions (1,067) (758) $ 60  
Other liabilities | Cash Flow Hedging | Interest rate swap        
Derivative [Line Items]        
Fair value recorded in other liabilities $ 1,000 $ 3,100