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Loans and Allowance for Credit Losses on Loans - Schedule of Amortized Cost Basis of Collateral-Dependent Loans by Loan Portfolio Segment (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Ending balance individually evaluated for impairment | $ 2,267 | $ 5,574
Construction & Secured by Farmland |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans |  | 95
Residential First Lien - Investor |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans | 472 | 1,086
Residential First Lien - Owner Occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans | 73 | 194
Residential Junior Liens |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans |  | 8
Commercial - Owner Occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans | 749 | 14
Commercial - Non-Owner Occupied & Multifamily |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans |  | 3,625
Other Commercial And Industrial Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | 891 |
Marine loans |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | 0 | 552
Consumer loans |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | 82 |
Real Estate Collateral [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | 1,294 | 5,022
Real Estate Collateral [Member] | Construction & Secured by Farmland |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans |  | 95
Real Estate Collateral [Member] | Residential First Lien - Investor |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans | 472 | 1,086
Real Estate Collateral [Member] | Residential First Lien - Owner Occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans | 73 | 194
Real Estate Collateral [Member] | Residential Junior Liens |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans |  | 8
Real Estate Collateral [Member] | Commercial - Owner Occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans | 749 | 14
Real Estate Collateral [Member] | Commercial - Non-Owner Occupied & Multifamily |  |
Financing Receivable, Past Due [Line Items] |  |
Mortgage real estate loans |  | 3,625
Other Collateral [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | 973 | 552
Other Collateral [Member] | Other Commercial And Industrial Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | 891 |
Other Collateral [Member] | Marine loans |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | 0 | $ 552
Other Collateral [Member] | Consumer loans |  |
Financing Receivable, Past Due [Line Items] |  |
Commercial and industrial loans | $ 82 |

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