Fair Value of Financial Instruments - Estimated Fair Value and Related Carrying or Notional Amounts of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets:
Investment securities available-for-sale	$ 135,018	$ 130,883
Investment securities held-to-maturity	2,686	3,477
Carrying Amount [Member]
Assets:
Cash and cash equivalents	97,839	61,244
Investment securities available-for-sale	135,018	130,883
Investment securities held-to-maturity	2,718	3,436
Federal funds sold	81	82
Federal Home Loan Bank stock	934	870
Loans, net of allowance for loan and lease losses	669,846	700,030
Other assets - derivatives	1,182
Liabilities:
Deposits	853,117	838,126
Short-term borrowings	10,062	10,046
Long-term borrowings	10,671	10,653
Other liabilities - derivatives		774
Estimate of Fair Value Measurement [Member]
Assets:
Cash and cash equivalents	97,839	61,244
Investment securities available-for-sale	135,018	130,883
Investment securities held-to-maturity	2,686	3,477
Federal funds sold	81	82
Federal Home Loan Bank stock	934	870
Loans, net of allowance for loan and lease losses	660,789	694,744
Other assets - derivatives	1,182
Liabilities:
Deposits	848,274	837,439
Short-term borrowings	10,062	10,046
Long-term borrowings	10,369	10,804
Other liabilities - derivatives		774
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member]
Assets:
Cash and cash equivalents	97,839	61,244
Fair Value, Inputs, Level 2 [Member] \| Estimate of Fair Value Measurement [Member]
Assets:
Investment securities available-for-sale	135,018	130,883
Investment securities held-to-maturity	2,686	3,477
Federal funds sold	81	82
Other assets - derivatives	1,182
Liabilities:
Deposits	848,274	837,439
Short-term borrowings	10,062	10,046
Long-term borrowings	10,369	10,804
Other liabilities - derivatives		774
Fair Value, Inputs, Level 3 [Member] \| Estimate of Fair Value Measurement [Member]
Assets:
Federal Home Loan Bank stock	934	870
Loans, net of allowance for loan and lease losses	$ 660,789	$ 694,744

Fair value portion of federal funds sold.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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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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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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