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Loans (Retail Loan Portfolio Categorized by Performance Status) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Residential Real Estate Loans [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | $ 51,557 | $ 137,926
Prior Fiscal Year 1 | 135,087 | 104,122
Prior Fiscal Year 2 | 92,442 | 87,918
Prior Fiscal Year 3 | 77,098 | 67,111
Prior Fiscal Year 4 | 58,812 | 67,706
Prior | 175,307 | 135,017
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 590,303 | 599,800
Residential Real Estate Loans [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 51,557 | 137,926
Prior Fiscal Year 1 | 134,889 | 103,923
Prior Fiscal Year 2 | 92,197 | 87,153
Prior Fiscal Year 3 | 76,496 | 66,446
Prior Fiscal Year 4 | 58,061 | 67,473
Prior | 174,488 | 134,292
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 587,688 | 597,213
Residential Real Estate Loans [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 198 | 199
Prior Fiscal Year 2 | 245 | 765
Prior Fiscal Year 3 | 602 | 665
Prior Fiscal Year 4 | 751 | 233
Prior | 819 | 725
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 2,615 | 2,587
Residential Real Estate Lines [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 0 | 0
Prior Fiscal Year 2 | 0 | 0
Prior Fiscal Year 3 | 0 | 0
Prior Fiscal Year 4 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 71,826 | 79,322
Revolving Loans Converted to Term | 8,955 | 10,483
Total | 80,781 | 89,805
Residential Real Estate Lines [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 0 | 0
Prior Fiscal Year 2 | 0 | 0
Prior Fiscal Year 3 | 0 | 0
Prior Fiscal Year 4 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 71,762 | 79,257
Revolving Loans Converted to Term | 8,739 | 10,225
Total | 80,501 | 89,482
Residential Real Estate Lines [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 0 | 0
Prior Fiscal Year 2 | 0 | 0
Prior Fiscal Year 3 | 0 | 0
Prior Fiscal Year 4 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 64 | 65
Revolving Loans Converted to Term | 216 | 258
Total | 280 | 323
Consumer Indirect [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 242,931 | 295,286
Prior Fiscal Year 1 | 254,715 | 202,839
Prior Fiscal Year 2 | 160,496 | 167,092
Prior Fiscal Year 3 | 125,593 | 111,295
Prior Fiscal Year 4 | 77,812 | 47,925
Prior | 37,471 | 15,984
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 899,018 | 840,421
Consumer Indirect [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 242,845 | 295,216
Prior Fiscal Year 1 | 254,491 | 202,187
Prior Fiscal Year 2 | 160,077 | 166,773
Prior Fiscal Year 3 | 125,332 | 111,008
Prior Fiscal Year 4 | 77,625 | 47,793
Prior | 37,398 | 15,949
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 897,768 | 838,926
Consumer Indirect [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 86 | 70
Prior Fiscal Year 1 | 224 | 652
Prior Fiscal Year 2 | 419 | 319
Prior Fiscal Year 3 | 261 | 287
Prior Fiscal Year 4 | 187 | 132
Prior | 73 | 35
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 1,250 | 1,495
Other Consumer [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 3,067 | 6,774
Prior Fiscal Year 1 | 4,805 | 3,177
Prior Fiscal Year 2 | 2,346 | 1,765
Prior Fiscal Year 3 | 1,191 | 907
Prior Fiscal Year 4 | 513 | 369
Prior | 728 | 508
Revolving Loans Amortized Cost Basis | 2,804 | 3,563
Revolving Loans Converted to Term | 0 | 0
Total | 15,454 | 17,063
Other Consumer [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 3,067 | 6,774
Prior Fiscal Year 1 | 4,805 | 3,177
Prior Fiscal Year 2 | 2,338 | 1,765
Prior Fiscal Year 3 | 1,191 | 907
Prior Fiscal Year 4 | 513 | 369
Prior | 728 | 508
Revolving Loans Amortized Cost Basis | 2,804 | 3,563
Revolving Loans Converted to Term | 0 | 0
Total | 15,446 | 17,063
Other Consumer [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 0 | 0
Prior Fiscal Year 2 | 8 | 0
Prior Fiscal Year 3 | 0 | 0
Prior Fiscal Year 4 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | $ 8 | $ 0

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