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Loans and Allowance for Loan Losses, Allowance for Loans Losses and Recorded Investment in Loans by Portfolio Segment Based on Impairment Method (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Ending allowance balance attributable to loans [Abstract]      
Individually evaluated for impairment $ 10 $ 0  
Collectively evaluated for impairment 6,473 7,160  
Total ending allowance balance 6,483 7,160 $ 6,272
Loans [Abstract]      
Loans individually evaluated for impairment 10,023 11,026  
Loans collectively evaluated for impairment 821,168 837,638  
Total ending loans balance 831,191 848,664  
Residential Real Estate [Member]      
Ending allowance balance attributable to loans [Abstract]      
Individually evaluated for impairment 0 0  
Collectively evaluated for impairment 980 1,480  
Total ending allowance balance 980 1,480 1,250
Loans [Abstract]      
Loans individually evaluated for impairment 0 411  
Loans collectively evaluated for impairment 274,425 305,067  
Total ending loans balance 274,425 305,478  
Commercial Real Estate [Member]      
Ending allowance balance attributable to loans [Abstract]      
Individually evaluated for impairment 0 0  
Collectively evaluated for impairment 2,548 2,431  
Total ending allowance balance 2,548 2,431 1,928
Loans [Abstract]      
Loans individually evaluated for impairment 5,411 5,845  
Loans collectively evaluated for impairment 276,386 247,604  
Total ending loans balance 281,797 253,449  
Commercial and Industrial [Member]      
Ending allowance balance attributable to loans [Abstract]      
Individually evaluated for impairment 10 0  
Collectively evaluated for impairment 1,561 1,776  
Total ending allowance balance 1,571 1,776 1,447
Loans [Abstract]      
Loans individually evaluated for impairment 4,531 4,686  
Loans collectively evaluated for impairment 136,994 153,006  
Total ending loans balance 141,525 157,692  
Consumer [Member]      
Ending allowance balance attributable to loans [Abstract]      
Individually evaluated for impairment 0 0  
Collectively evaluated for impairment 1,384 1,473  
Total ending allowance balance 1,384 1,473 $ 1,647
Loans [Abstract]      
Loans individually evaluated for impairment 81 84  
Loans collectively evaluated for impairment 133,363 131,961  
Total ending loans balance $ 133,444 $ 132,045