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Loans and Allowance for Loan and Lease Losses (Impaired Loans by Loan Portfolio Class) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Home Equity [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment $ 2,377 $ 2,365
Impaired Loans with No Allowance: Unpaid Principal Balance 2,377 2,395
Impaired Loans: Total Recorded Investment 2,463 2,365
Impaired Loans: Total Unpaid Principal Balance 2,488 2,408
Home Equity [Member] | Financial Asset Acquired with Credit Deterioration [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 86  
Impaired Loans with No Allowance: Unpaid Principal Balance 111 13
Commercial Portfolio [Member] | Commercial and Industrial [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment   899
Impaired Loans with No Allowance: Unpaid Principal Balance 31 931
Impaired Loans with Allowance: Recorded Investment 308 553
Impaired Loans with Allowance: Unpaid Principal Balance 339 574
Impaired Loans with Allowance: Related Allowance 67 533
Impaired Loans: Total Recorded Investment 308 1,452
Impaired Loans: Total Unpaid Principal Balance 370 1,505
Commercial Portfolio [Member] | Commercial Real Estate [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 854 8,215
Impaired Loans with No Allowance: Unpaid Principal Balance 1,243 8,574
Impaired Loans with Allowance: Recorded Investment 287 887
Impaired Loans with Allowance: Unpaid Principal Balance 359 994
Impaired Loans with Allowance: Related Allowance 121 274
Impaired Loans: Total Recorded Investment 3,372 10,521
Impaired Loans: Total Unpaid Principal Balance 4,511 11,261
Commercial Portfolio [Member] | Commercial Real Estate [Member] | Financial Asset Acquired with Credit Deterioration [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 2,231 1,419
Impaired Loans with No Allowance: Unpaid Principal Balance 2,909 1,693
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 22 31
Impaired Loans with No Allowance: Unpaid Principal Balance 27 34
Impaired Loans: Total Recorded Investment 1,218 31
Impaired Loans: Total Unpaid Principal Balance 1,496 34
Commercial Portfolio [Member] | Commercial Real Estate - Construction [Member] | Financial Asset Acquired with Credit Deterioration [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 1,196  
Impaired Loans with No Allowance: Unpaid Principal Balance 1,469  
Residential Portfolio [Member] | Residential Mortgage [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 1,259 818
Impaired Loans with No Allowance: Unpaid Principal Balance 1,295 842
Impaired Loans: Total Recorded Investment 2,621 1,141
Impaired Loans: Total Unpaid Principal Balance 3,142 1,410
Residential Portfolio [Member] | Residential Mortgage [Member] | Financial Asset Acquired with Credit Deterioration [Member]    
Financing Receivable, Impaired [Line Items]    
Impaired Loans with No Allowance: Recorded Investment 1,362 323
Impaired Loans with No Allowance: Unpaid Principal Balance $ 1,847 $ 568