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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	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Ending balance individually evaluated for impairment	$ 2,668	$ 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	1,063	1,086
Residential First Lien - Owner Occupied
Financing Receivable, Past Due [Line Items]
Mortgage real estate loans	140	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		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	969
Marine loans
Financing Receivable, Past Due [Line Items]
Commercial and industrial loans	496	552
Real Estate Collateral [Member]
Financing Receivable, Past Due [Line Items]
Commercial and industrial loans	1,203	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	1,063	1,086
Real Estate Collateral [Member] | Residential First Lien - Owner Occupied
Financing Receivable, Past Due [Line Items]
Mortgage real estate loans	140	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		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	1,465	552
Other Collateral [Member] | Other Commercial And Industrial Loans
Financing Receivable, Past Due [Line Items]
Commercial and industrial loans	969
Other Collateral [Member] | Marine loans
Financing Receivable, Past Due [Line Items]
Commercial and industrial loans	$ 496	$ 552

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Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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-Name Accounting Standards Codification
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