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Loans (Retail Loan Portfolio Categorized by Performance Status) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Residential Real Estate Loans [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | $ 14,093 | $ 79,882
Prior Fiscal Year 1 | 80,617 | 86,126
Prior Fiscal Year 2 | 85,409 | 119,329
Prior Fiscal Year 3 | 117,362 | 77,232
Prior Fiscal Year 4 | 75,541 | 56,197
Prior | 218,824 | 171,194
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 591,846 | 589,960
Residential Real Estate Loans [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 14,093 | 79,882
Prior Fiscal Year 1 | 80,513 | 85,821
Prior Fiscal Year 2 | 84,985 | 118,819
Prior Fiscal Year 3 | 116,787 | 76,437
Prior Fiscal Year 4 | 75,111 | 55,520
Prior | 217,090 | 169,410
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 588,579 | 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 | 104 | 305
Prior Fiscal Year 2 | 424 | 510
Prior Fiscal Year 3 | 575 | 795
Prior Fiscal Year 4 | 430 | 677
Prior | 1,734 | 1,784
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 3,267 | 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 | 31 |
Revolving Loans Amortized Cost Basis | 0 |
Revolving Loans Converted to Term | 0 |
Total | 63 |
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 | 69,890 | 70,976
Revolving Loans Converted to Term | 6,196 | 6,694
Total | 76,086 | 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 | 69,849 | 70,942
Revolving Loans Converted to Term | 6,078 | 6,586
Total | 75,927 | 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 | 41 | 34
Revolving Loans Converted to Term | 118 | 108
Total | 159 | 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 | 3 |
Revolving Loans Converted to Term | 13 |
Total | 16 |
Consumer Indirect [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 84,318 | 441,080
Prior Fiscal Year 1 | 419,060 | 333,111
Prior Fiscal Year 2 | 306,332 | 127,096
Prior Fiscal Year 3 | 113,146 | 60,362
Prior Fiscal Year 4 | 52,066 | 39,557
Prior | 47,280 | 22,414
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 1,022,202 | 1,023,620
Consumer Indirect [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 84,318 | 440,332
Prior Fiscal Year 1 | 418,196 | 331,902
Prior Fiscal Year 2 | 305,429 | 126,664
Prior Fiscal Year 3 | 112,809 | 59,981
Prior Fiscal Year 4 | 51,838 | 39,352
Prior | 47,125 | 22,310
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 1,019,715 | 1,020,541
Consumer Indirect [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 748
Prior Fiscal Year 1 | 864 | 1,209
Prior Fiscal Year 2 | 903 | 432
Prior Fiscal Year 3 | 337 | 381
Prior Fiscal Year 4 | 228 | 205
Prior | 155 | 104
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 2,487 | 3,079
Consumer Indirect [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 3 |
Prior Fiscal Year 1 | 1,322 |
Prior Fiscal Year 2 | 1,692 |
Prior Fiscal Year 3 | 497 |
Prior Fiscal Year 4 | 586 |
Prior | 520 |
Revolving Loans Amortized Cost Basis | 0 |
Revolving Loans Converted to Term | 0 |
Total | 4,620 |
Other Consumer [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 3,748 | 6,463
Prior Fiscal Year 1 | 5,367 | 2,664
Prior Fiscal Year 2 | 2,285 | 2,043
Prior Fiscal Year 3 | 1,735 | 761
Prior Fiscal Year 4 | 565 | 213
Prior | 420 | 308
Revolving Loans Amortized Cost Basis | 2,487 | 2,658
Revolving Loans Converted to Term | 0 | 0
Total | 16,607 | 15,110
Other Consumer [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 3,748 | 6,463
Prior Fiscal Year 1 | 5,367 | 2,664
Prior Fiscal Year 2 | 2,285 | 2,043
Prior Fiscal Year 3 | 1,735 | 761
Prior Fiscal Year 4 | 565 | 213
Prior | 420 | 308
Revolving Loans Amortized Cost Basis | 2,483 | 2,656
Revolving Loans Converted to Term | 0 | 0
Total | 16,603 | 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 | 4 | 2
Revolving Loans Converted to Term | 0 | 0
Total | 4 | $ 2
Other Consumer [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 265 |
Prior Fiscal Year 1 | 34 |
Prior Fiscal Year 2 | 48 |
Prior Fiscal Year 3 | 9 |
Prior Fiscal Year 4 | 5 |
Prior | 8 |
Revolving Loans Amortized Cost Basis | 13 |
Revolving Loans Converted to Term | 0 |
Total | $ 382 |

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