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Loans (Retail Loan Portfolio Categorized by Performance Status) (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Residential Real Estate Loans [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | $ 7,278 | $ 54,345
Prior Fiscal Year 1 | 55,394 | 111,540
Prior Fiscal Year 2 | 109,692 | 75,889
Prior Fiscal Year 3 | 74,647 | 75,164
Prior Fiscal Year 4 | 73,732 | 101,379
Prior | 323,240 | 231,889
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 643,983 | 650,206
Residential Real Estate Loans [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 7,278 | 54,345
Prior Fiscal Year 1 | 55,394 | 110,882
Prior Fiscal Year 2 | 109,236 | 75,264
Prior Fiscal Year 3 | 74,207 | 73,754
Prior Fiscal Year 4 | 72,467 | 99,943
Prior | 319,366 | 229,100
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 637,948 | 643,288
Residential Real Estate Loans [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 0
Prior Fiscal Year 1 | 0 | 658
Prior Fiscal Year 2 | 456 | 625
Prior Fiscal Year 3 | 440 | 1,410
Prior Fiscal Year 4 | 1,265 | 1,436
Prior | 3,874 | 2,789
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 6,035 | 6,918
Residential Real Estate Loans [Member] | Current Period Gross Write-offs [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 | 49 | 0
Prior | 16 | 109
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 65 | 109
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 | 70,540 | 71,133
Revolving Loans Converted to Term | 4,229 | 4,419
Total | 74,769 | 75,552
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 | 70,401 | 71,059
Revolving Loans Converted to Term | 4,052 | 4,240
Total | 74,453 | 75,299
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 | 139 | 74
Revolving Loans Converted to Term | 177 | 179
Total | 316 | 253
Residential Real Estate Lines [Member] | Current Period Gross Write-offs [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 | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Consumer Indirect [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 91,991 | 216,226
Prior Fiscal Year 1 | 203,760 | 184,399
Prior Fiscal Year 2 | 168,858 | 236,392
Prior Fiscal Year 3 | 211,576 | 150,193
Prior Fiscal Year 4 | 130,473 | 42,124
Prior | 46,518 | 16,438
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 853,176 | 845,772
Consumer Indirect [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 91,991 | 215,964
Prior Fiscal Year 1 | 203,478 | 183,917
Prior Fiscal Year 2 | 168,101 | 235,262
Prior Fiscal Year 3 | 210,863 | 149,499
Prior Fiscal Year 4 | 129,711 | 41,773
Prior | 46,115 | 16,200
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 850,259 | 842,615
Consumer Indirect [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 262
Prior Fiscal Year 1 | 282 | 482
Prior Fiscal Year 2 | 757 | 1,130
Prior Fiscal Year 3 | 713 | 694
Prior Fiscal Year 4 | 762 | 351
Prior | 403 | 238
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 2,917 | 3,157
Consumer Indirect [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 361
Prior Fiscal Year 1 | 534 | 4,814
Prior Fiscal Year 2 | 971 | 5,964
Prior Fiscal Year 3 | 1,887 | 4,621
Prior Fiscal Year 4 | 957 | 1,708
Prior | 479 | 1,511
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 4,828 | 18,979
Other Consumer [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 4,842 | 7,485
Prior Fiscal Year 1 | 6,396 | 28,779
Prior Fiscal Year 2 | 26,903 | 2,317
Prior Fiscal Year 3 | 2,006 | 735
Prior Fiscal Year 4 | 591 | 282
Prior | 389 | 242
Revolving Loans Amortized Cost Basis | 2,826 | 2,917
Revolving Loans Converted to Term | 0 | 0
Total | 43,953 | 42,757
Other Consumer [Member] | Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 4,842 | 7,482
Prior Fiscal Year 1 | 6,389 | 28,777
Prior Fiscal Year 2 | 26,678 | 2,316
Prior Fiscal Year 3 | 2,006 | 729
Prior Fiscal Year 4 | 591 | 281
Prior | 387 | 242
Revolving Loans Amortized Cost Basis | 2,781 | 2,876
Revolving Loans Converted to Term | 0 | 0
Total | 43,674 | 42,703
Other Consumer [Member] | Non-Performing [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 3
Prior Fiscal Year 1 | 7 | 2
Prior Fiscal Year 2 | 225 | 1
Prior Fiscal Year 3 | 0 | 6
Prior Fiscal Year 4 | 0 | 1
Prior | 2 | 0
Revolving Loans Amortized Cost Basis | 45 | 41
Revolving Loans Converted to Term | 0 | 0
Total | 279 | 54
Other Consumer [Member] | Current Period Gross Write-offs [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Current Fiscal Year | 0 | 527
Prior Fiscal Year 1 | 106 | 129
Prior Fiscal Year 2 | 73 | 124
Prior Fiscal Year 3 | 13 | 33
Prior Fiscal Year 4 | 6 | 27
Prior | 5 | 11
Revolving Loans Amortized Cost Basis | 9 | 92
Revolving Loans Converted to Term | 0 | 0
Total | $ 212 | $ 943

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