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Allowance for Credit Losses - Loans - Amortized cost basis of collateral-dependent loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | $ 1,055,683 | $ 1,067,949
Collateral |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 14,077 | 13,590
Retail | Collateral |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 1,126 |
Other commercial real estate (non-owner occupied) |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 236,352 | 233,882
Other commercial real estate (non-owner occupied) | Collateral |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 7,972 | 8,773
Commercial Portfolio Segment |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 771,497 | 782,228
Commercial Portfolio Segment | Commercial real estate (owner occupied) |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 88,481 | 86,953
Commercial Portfolio Segment | Commercial real estate (owner occupied) | Collateral |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 3,818 | 3,429
Commercial Portfolio Segment | Commercial and industrial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 140,361 | 147,251
Commercial Portfolio Segment | Commercial and industrial | Collateral |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 1,000 | 1,000
Commercial Portfolio Segment | Other commercial real estate (non-owner occupied) |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 236,352 | 233,882
Residential mortgages |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 172,612 | 177,110
Residential mortgages | Collateral |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | 161 | 378
Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans | $ 111,574 | 108,611
Consumer | Collateral |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total Loans |  | $ 10

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