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Subordinated Debentures (Details) - USD ($)
12 Months Ended
May 14, 2019
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2005
Subordinated Debentures        
Debentures, unamortized debt costs   $ 398,000 $ 459,000  
Debventures, unamortized discount premium net   $ 23,700,000 $ 23,700,000  
Subordinated debentures        
Subordinated Debentures        
Redeemable debt securities       $ 4,100,000
Debentures, sale proceeds utilized to purchase       $ 4,100,000
Subordinated debentures | LIBOR        
Subordinated Debentures        
Debentures, variable interest rate       1.35%
Junior subordinated debt        
Subordinated Debentures        
Debentures issued $ 20,000,000      
Interest on debentures 6.00%      
Debentures, description of variable interest rate three-month LIBOR      
Debentures, variable interest rate 3.625%      
Debentures, Maturity date May 31, 2024