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Allowance for Credit Losses - Loans - Amortized cost basis of collateral-dependent loans (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | $ 1,039,638 | $ 1,038,271
Collateral Pledged [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 11,093 | 9,140
Other commercial real estate (non-owner occupied) |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 241,519 | 240,286
Other commercial real estate (non-owner occupied) | Collateral Pledged [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 10,411 | 8,780
Residential mortgages |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 179,297 | 174,670
Residential mortgages | Collateral Pledged [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 513 | 173
Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 11 |
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 753,833 | 760,826
Commercial Portfolio Segment [Member] | Commercial real estate (owner occupied) |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 80,511 | 89,147
Commercial Portfolio Segment [Member] | Commercial real estate (owner occupied) | Collateral Pledged [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 158 | 187
Commercial Portfolio Segment [Member] | Other commercial real estate (non-owner occupied) |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 241,519 | 240,286
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 285,805 | 277,445
Consumer Portfolio Segment [Member] | Residential mortgages |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | 179,297 | 174,670
Consumer Portfolio Segment [Member] | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Total loan | $ 106,508 | $ 102,775

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
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