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Loans and Related Allowance for Loan Losses (Impaired Loans by Loan Portfolio Class) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Financing Receivable, Impaired [Line Items]    
Impaired Loans: Related Allowance $ 2 $ 2
Recorded Investment, Total 6,537 5,189
Unpaid Principal Balance, Total 8,517 7,134
Commercial Loan [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 5,262 3,483
Impaired Loans with No Allowance: Unpaid Principal Balance 5,720 3,580
Impaired Loans: Related Allowance 0 0
Recorded Investment, Total 5,262 3,483
Unpaid Principal Balance, Total 5,720 3,580
Commercial Loan [Member] | Commercial Portfolio Segment [Member] | Acquired with Credit Deterioration [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 357 339
Impaired Loans with No Allowance: Unpaid Principal Balance 366 386
Impaired Loans: Related Allowance 0 0
Recorded Investment, Total 357 339
Unpaid Principal Balance, Total 366 386
Construction Loan [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 0 0
Impaired Loans with No Allowance: Unpaid Principal Balance 649 894
Impaired Loans: Related Allowance 0 0
Recorded Investment, Total 0 0
Unpaid Principal Balance, Total 649 894
Mortgage Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 368 666
Impaired Loans with No Allowance: Unpaid Principal Balance 1,054 1,396
Impaired Loans with an Allowance: Recorded Investment 69 78
Impaired Loans with an Allowance: Unpaid Principal Balance 68 77
Impaired Loans: Related Allowance 2 2
Recorded Investment, Total 437 744
Unpaid Principal Balance, Total 1,122 1,473
Mortgage Loan [Member] | Consumer Portfolio Segment [Member] | Acquired with Credit Deterioration [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 481 623
Impaired Loans with No Allowance: Unpaid Principal Balance 660 801
Impaired Loans: Related Allowance 0 0
Recorded Investment, Total 481 623
Unpaid Principal Balance, Total $ 660 $ 801