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Off-Balance-Sheet Activities (Contractual amount of credit related financial instruments) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract Amount $ 265,306 $ 274,540
Maximum maturity period of commitments to extend credit 1 year  
Unfunded commitments under lines of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract Amount $ 231,120 241,637
Commercial and standby letters of credit [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract Amount 1,738 5,964
Commitments to grant loans [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract Amount $ 32,448 $ 26,939