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Loans and Allowance for Credit Losses on Loans (Financing Receivable, Nonaccrual) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Financing Receivable, Nonaccrual [Line Items] |  |
Non-Accrual Loans With an Allowance | $ 3,785 | $ 7,100
Non-Accrual Loans Without an Allowance | 542 | 496
Total Non-Accrual Loans | 4,327 | 7,596
Non-Accrual Loans | 4,327 | 7,596
Total Collateral -Dependent Non-Accrual Loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 379 | 937
Non-Accrual Loans | 379 | 937
Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 379 | 248
Non-Accrual Loans | 379 | 248
General Business Assets |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 0 | 689
Non-Accrual Loans | 0 | 689
Commercial real estate, non owner-occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Non-Accrual Loans With an Allowance | 38 | 351
Non-Accrual Loans Without an Allowance | 13 | 15
Total Non-Accrual Loans | 51 | 366
Non-Accrual Loans | 51 | 366
Commercial real estate, owner-occupied |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Non-Accrual Loans With an Allowance | 86 | 99
Non-Accrual Loans Without an Allowance | 47 | 47
Total Non-Accrual Loans | 133 | 146
Non-Accrual Loans | 133 | 146
Commercial |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Non-Accrual Loans With an Allowance | 785 | 1,549
Non-Accrual Loans Without an Allowance | 44 | 58
Total Non-Accrual Loans | 829 | 1,607
Non-Accrual Loans | 829 | 1,607
Commercial | Total Collateral -Dependent Non-Accrual Loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 0 | 689
Non-Accrual Loans | 0 | 689
Commercial | Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 0 | 0
Non-Accrual Loans | 0 | 0
Commercial | General Business Assets |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 0 | 689
Non-Accrual Loans | 0 | 689
Residential real estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Non-Accrual Loans With an Allowance | 1,780 | 3,136
Non-Accrual Loans Without an Allowance | 327 | 341
Total Non-Accrual Loans | 2,107 | 3,477
Non-Accrual Loans | 2,107 | 3,477
Residential real estate | Total Collateral -Dependent Non-Accrual Loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 268 | 248
Non-Accrual Loans | 268 | 248
Residential real estate | Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 268 | 248
Non-Accrual Loans | 268 | 248
Residential real estate | General Business Assets |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 0 | 0
Non-Accrual Loans | 0 | 0
Home equity |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Non-Accrual Loans With an Allowance | 1,064 | 1,961
Non-Accrual Loans Without an Allowance | 111 | 35
Total Non-Accrual Loans | 1,175 | 1,996
Non-Accrual Loans | 1,175 | 1,996
Home equity | Total Collateral -Dependent Non-Accrual Loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 111 | 0
Non-Accrual Loans | 111 | 0
Home equity | Real Estate |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 111 | 0
Non-Accrual Loans | 111 | 0
Home equity | General Business Assets |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Non-Accrual Loans | 0 | 0
Non-Accrual Loans | 0 | 0
Consumer |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Non-Accrual Loans With an Allowance | 32 | 4
Non-Accrual Loans Without an Allowance | 0 | 0
Total Non-Accrual Loans | 32 | 4
Non-Accrual Loans | $ 32 | $ 4

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