Fair Value Measurement - Schedule of Fair Values and Carrying Amounts, Significant Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest bearing deposits in banks	$ 14,690	$ 16,428
Loans held for sale	3,070	1,178
Accrued interest receivable	4,000	3,100
Deposits
Noninterest bearing	250,992	286,145
Interest bearing	765,689	762,722
Time	288,922	153,045
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	77,666	37,885
Interest bearing deposits in banks	0	0
Investment securities	4,145	3,815
Loans held for sale	0	0
Accrued interest receivable	0	0
Deposits
Noninterest bearing	250,992	286,145
Interest bearing	765,689	762,722
Time	0	0
Borrowed funds
Short-term	0	0
Long-term	0
Subordinated notes	0	0
Accrued interest payable	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Residential real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Construction real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Commercial real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Commercial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Consumer
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
Interest bearing deposits in banks	14,690	16,428
Investment securities	261,738	247,716
Loans held for sale	3,110	1,202
Accrued interest receivable	1,395	1,014
Deposits
Noninterest bearing	0	0
Interest bearing	0	0
Time	286,637	149,166
Borrowed funds
Short-term	9,990	49,997
Long-term	55,914
Subordinated notes	15,302	14,037
Accrued interest payable	1,666	354
Significant Other Observable Inputs (Level 2) \| Residential real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Significant Other Observable Inputs (Level 2) \| Construction real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Significant Other Observable Inputs (Level 2) \| Commercial real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Significant Other Observable Inputs (Level 2) \| Commercial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Significant Other Observable Inputs (Level 2) \| Consumer
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Significant Other Observable Inputs (Level 2) \| Municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	0	0
Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
Interest bearing deposits in banks	0	0
Investment securities	0	0
Loans held for sale	0	0
Accrued interest receivable	4,014	3,149
Deposits
Noninterest bearing	0	0
Interest bearing	0	0
Time	0	0
Borrowed funds
Short-term	0	0
Long-term	0
Subordinated notes	0	0
Accrued interest payable	0	0
Significant Unobservable Inputs (Level 3) \| Residential real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	373,594	319,066
Significant Unobservable Inputs (Level 3) \| Construction real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	85,678	94,231
Significant Unobservable Inputs (Level 3) \| Commercial real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	373,279	358,897
Significant Unobservable Inputs (Level 3) \| Commercial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	37,136	38,588
Significant Unobservable Inputs (Level 3) \| Consumer
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	2,536	2,161
Significant Unobservable Inputs (Level 3) \| Municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	74,812	86,306
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	77,666	37,885
Interest bearing deposits in banks	14,690	16,428
Investment securities	265,883	251,531
Loans held for sale	3,070	1,178
Accrued interest receivable	5,409	4,163
Nonmarketable equity securities	3,199	2,816
Deposits
Noninterest bearing	250,992	286,145
Interest bearing	765,689	762,722
Time	288,922	153,045
Borrowed funds
Short-term	10,000	50,000
Long-term	55,696
Subordinated notes	16,239	16,205
Accrued interest payable	1,666	354
Carrying Amount \| Residential real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	414,500	350,507
Carrying Amount \| Construction real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	87,588	95,723
Carrying Amount \| Commercial real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	401,753	373,990
Carrying Amount \| Commercial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	40,165	40,729
Carrying Amount \| Consumer
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	2,589	2,197
Carrying Amount \| Municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	76,861	88,008
Estimated Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	77,666	37,885
Interest bearing deposits in banks	14,690	16,428
Investment securities	265,883	251,531
Loans held for sale	3,110	1,202
Accrued interest receivable	5,409	4,163
Deposits
Noninterest bearing	250,992	286,145
Interest bearing	765,689	762,722
Time	286,637	149,166
Borrowed funds
Short-term	9,990	49,997
Long-term	55,914
Subordinated notes	15,302	14,037
Accrued interest payable	1,666	354
Estimated Fair Value \| Residential real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	373,594	319,066
Estimated Fair Value \| Construction real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	85,678	94,231
Estimated Fair Value \| Commercial real estate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	373,279	358,897
Estimated Fair Value \| Commercial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	37,136	38,588
Estimated Fair Value \| Consumer
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	2,536	2,161
Estimated Fair Value \| Municipal
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans, net	$ 74,812	$ 86,306

Interest-bearing Non-time Deposits

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Investment in Interest Bearing Deposits in Banks

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- Definition

Securities that do not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). Example is Federal Home Loan Bank (FHLB) stock that represents an equity interest in a FHLB.

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No definition available.

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- Definition

The sum of cash and cash equivalents plus Federal Funds Sold. Cash and cash equivalents consist of short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates -- usually with an original maturity less than 90 days.

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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.

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No definition available.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount of investment in marketable security.

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The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the amount of short-term debt existing as of the balance sheet date.

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Amount of time deposit liabilities, including certificates of deposit.

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