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Loans (Retail Loan Portfolio Categorized by Performance Status) (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Residential Real Estate Loans [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | $ 94,045 | $ 79,882
Prior Fiscal Year 1 | 79,622 | 86,126
Prior Fiscal Year 2 | 80,862 | 119,329
Prior Fiscal Year 3 | 110,566 | 77,232
Prior Fiscal Year 4 | 70,404 | 56,197
Prior | 199,710 | 171,194
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 635,209 | 589,960
Residential Real Estate Loans [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 94,045 | 79,882
Prior Fiscal Year 1 | 79,520 | 85,821
Prior Fiscal Year 2 | 79,578 | 118,819
Prior Fiscal Year 3 | 109,822 | 76,437
Prior Fiscal Year 4 | 69,564 | 55,520
Prior | 197,688 | 169,410
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 630,217 | 585,889
Residential Real Estate Loans [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 102 | 305
Prior Fiscal Year 2 | 1,284 | 510
Prior Fiscal Year 3 | 744 | 795
Prior Fiscal Year 4 | 840 | 677
Prior | 2,022 | 1,784
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 4,992 | 4,071
Residential Real Estate Loans [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 |
Prior Fiscal Year 1 | 0 |
Prior Fiscal Year 2 | 0 |
Prior Fiscal Year 3 | 0 |
Prior Fiscal Year 4 | 32 |
Prior | 70 |
Revolving Loans Amortized Cost Basis | 0 |
Revolving Loans Converted to Term | 0 |
Total | 102 |
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 | 71,180 | 70,976
Revolving Loans Converted to Term | 5,542 | 6,694
Total | 76,722 | 77,670
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 | 71,149 | 70,942
Revolving Loans Converted to Term | 5,372 | 6,586
Total | 76,521 | 77,528
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 | 31 | 34
Revolving Loans Converted to Term | 170 | 108
Total | 201 | 142
Residential Real Estate Lines [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 |
Prior Fiscal Year 1 | 0 |
Prior Fiscal Year 2 | 0 |
Prior Fiscal Year 3 | 0 |
Prior Fiscal Year 4 | 0 |
Prior | 0 |
Revolving Loans Amortized Cost Basis | 28 |
Revolving Loans Converted to Term | 13 |
Total | 41 |
Consumer Indirect [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 201,948 | 441,080
Prior Fiscal Year 1 | 362,297 | 333,111
Prior Fiscal Year 2 | 256,944 | 127,096
Prior Fiscal Year 3 | 89,704 | 60,362
Prior Fiscal Year 4 | 37,405 | 39,557
Prior | 33,839 | 22,414
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 982,137 | 1,023,620
Consumer Indirect [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 201,305 | 440,332
Prior Fiscal Year 1 | 361,192 | 331,902
Prior Fiscal Year 2 | 255,880 | 126,664
Prior Fiscal Year 3 | 89,404 | 59,981
Prior Fiscal Year 4 | 37,256 | 39,352
Prior | 33,718 | 22,310
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 978,755 | 1,020,541
Consumer Indirect [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 643 | 748
Prior Fiscal Year 1 | 1,105 | 1,209
Prior Fiscal Year 2 | 1,064 | 432
Prior Fiscal Year 3 | 300 | 381
Prior Fiscal Year 4 | 149 | 205
Prior | 121 | 104
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 3,382 | 3,079
Consumer Indirect [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 342 |
Prior Fiscal Year 1 | 4,331 |
Prior Fiscal Year 2 | 4,254 |
Prior Fiscal Year 3 | 1,343 |
Prior Fiscal Year 4 | 1,018 |
Prior | 1,189 |
Revolving Loans Amortized Cost Basis | 0 |
Revolving Loans Converted to Term | 0 |
Total | 12,477 |
Other Consumer [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 29,304 | 6,463
Prior Fiscal Year 1 | 4,453 | 2,664
Prior Fiscal Year 2 | 1,680 | 2,043
Prior Fiscal Year 3 | 1,171 | 761
Prior Fiscal Year 4 | 311 | 213
Prior | 644 | 308
Revolving Loans Amortized Cost Basis | 2,718 | 2,658
Revolving Loans Converted to Term | 0 | 0
Total | 40,281 | 15,110
Other Consumer [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 29,304 | 6,463
Prior Fiscal Year 1 | 4,453 | 2,664
Prior Fiscal Year 2 | 1,680 | 2,043
Prior Fiscal Year 3 | 1,171 | 761
Prior Fiscal Year 4 | 311 | 213
Prior | 644 | 308
Revolving Loans Amortized Cost Basis | 2,712 | 2,656
Revolving Loans Converted to Term | 0 | 0
Total | 40,275 | 15,108
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 | 0 | 0
Prior Fiscal Year 3 | 0 | 0
Prior Fiscal Year 4 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 6 | 2
Revolving Loans Converted to Term | 0 | 0
Total | 6 | $ 2
Other Consumer [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 713 |
Prior Fiscal Year 1 | 122 |
Prior Fiscal Year 2 | 105 |
Prior Fiscal Year 3 | 32 |
Prior Fiscal Year 4 | 28 |
Prior | 19 |
Revolving Loans Amortized Cost Basis | 45 |
Revolving Loans Converted to Term | 0 |
Total | $ 1,064 |

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