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Loans (Interest written off on nonaccual loans) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Financing Receivable, Credit Quality Indicator - nonaccrual loans written off interest [Line Items]    
Financing Receivable Accrued Interest Reversed Through Interest Income $ 76 $ 218
Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator - nonaccrual loans written off interest [Line Items]    
Financing Receivable Accrued Interest Reversed Through Interest Income 68 211
Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator - nonaccrual loans written off interest [Line Items]    
Financing Receivable Accrued Interest Reversed Through Interest Income $ 8 $ 7