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Loans and Related Allowance for Loan Losses (Impaired Loans and Related Interest Income by Loan Portfolio Class) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment, Total $ 5,654 $ 4,497
Interest Income Recognized, Total 236 36
Cash Basis Interest Income, Total 40 82
Commercial, Financial and Agricultural [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance, Average Recorded Investment 0 234
Impaired Loans with No Allowance, Interest Income Recognized 0 0
Impaired Loans with No Allowance, Cash Basis Interest Income 0 0
Average Recorded Investment, Total 0 234
Interest Income Recognized, Total 0 0
Cash Basis Interest Income, Total 0 0
Commercial Loan [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance, Average Recorded Investment 4,168 2,291
Impaired Loans with No Allowance, Interest Income Recognized 223 20
Impaired Loans with No Allowance, Cash Basis Interest Income 0 38
Average Recorded Investment, Total 4,168 2,291
Interest Income Recognized, Total 223 20
Cash Basis Interest Income, Total 0 38
Mortgage Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance, Average Recorded Investment 477 860
Impaired Loans with No Allowance, Interest Income Recognized 13 16
Impaired Loans with No Allowance, Cash Basis Interest Income 40 44
Impaired Loans with an Allowance, Average Recorded Investment 72 98
Impaired Loans with an Allowance, Interest Income Recognized 0 0
Impaired Loans with an Allowance, Cash Basis Interest Income 0 0
Average Recorded Investment, Total 549 958
Interest Income Recognized, Total 13 16
Cash Basis Interest Income, Total 40 44
Personal Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance, Average Recorded Investment 0 2
Impaired Loans with No Allowance, Interest Income Recognized 0 0
Impaired Loans with No Allowance, Cash Basis Interest Income 0 0
Average Recorded Investment, Total 0 2
Interest Income Recognized, Total 0 0
Cash Basis Interest Income, Total 0 0
Acquired with Credit Deterioration [Member] | Commercial Loan [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Average Recorded Investment, Total 349 352
Interest Income Recognized, Total 0 0
Cash Basis Interest Income, Total 0 0
Acquired with Credit Deterioration [Member] | Construction Loan [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance, Average Recorded Investment 349 352
Impaired Loans with No Allowance, Interest Income Recognized 0 0
Impaired Loans with No Allowance, Cash Basis Interest Income 0 0
Acquired with Credit Deterioration [Member] | Mortgage Loan [Member] | Consumer Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance, Average Recorded Investment 588 660
Impaired Loans with No Allowance, Interest Income Recognized 0 0
Impaired Loans with No Allowance, Cash Basis Interest Income 0 0
Average Recorded Investment, Total 588 660
Interest Income Recognized, Total 0 0
Cash Basis Interest Income, Total $ 0 $ 0