Fair Value Measurements - Schedule of Carrying Amount, Fair Value and Placement in Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Financial assets:
Interest-bearing deposits in banks	$ 278,490	$ 97,478	$ 94,716
Equity securities available for sale	1,880	2,106	2,032	$ 1,839
Investment securities available for sale	313,671	190,837	184,678
Investment securities held to maturity	14,110	19,281	22,518
Restricted investment in bank stocks	3,022	3,644	$ 3,905
Level 1
Financial assets:
Cash and due from banks	11,080	9,542
Interest-bearing deposits in banks	278,490	97,478
Equity securities available for sale	1,880	2,106
Investment securities available for sale	0	0
Investment securities held to maturity	0	0
Loans held for sale	0	0
Loans, less allowance for loan losses	0	0
Accrued interest receivable	0	0
Restricted investment in bank stocks	0	0
Financial liabilities:
Demand deposits and savings	0	0
Time deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Trust preferred subordinated debt	0	0
Accrued interest payable	0	0
Off-balance sheet financial instruments	0	0
Level 2
Financial assets:
Cash and due from banks	10,083	7,336
Interest-bearing deposits in banks	0	0
Equity securities available for sale	0	0
Investment securities available for sale	313,671	190,837
Investment securities held to maturity	14,110	19,281
Loans held for sale	10,043	2,406
Loans, less allowance for loan losses	0	0
Accrued interest receivable	7,317	4,368
Restricted investment in bank stocks	3,022	3,644
Financial liabilities:
Demand deposits and savings	1,634,803	1,004,407
Time deposits	486,460	409,426
Short-term borrowings	52,721	33,435
Long-term borrowings	47,263	61,965
Trust preferred subordinated debt	9,890	4,711
Accrued interest payable	1,919	2,676
Off-balance sheet financial instruments	0	0
Level 3
Financial assets:
Cash and due from banks	0	0
Interest-bearing deposits in banks	0	0
Equity securities available for sale	0	0
Investment securities available for sale	0	0
Investment securities held to maturity	0	0
Loans held for sale	0	0
Loans, less allowance for loan losses	1,732,710	1,263,014
Accrued interest receivable	0	0
Restricted investment in bank stocks	0	0
Financial liabilities:
Demand deposits and savings	0	0
Time deposits	0	0
Short-term borrowings	0	0
Long-term borrowings	0	0
Trust preferred subordinated debt	0	0
Accrued interest payable	0	0
Off-balance sheet financial instruments	0	0
Carrying Amount
Financial assets:
Cash and due from banks	21,163	16,878
Interest-bearing deposits in banks	278,490	97,478
Equity securities available for sale	1,880	2,106
Investment securities available for sale	313,671	190,837
Investment securities held to maturity	13,606	19,234
Loans held for sale	10,043	2,406
Loans, less allowance for loan losses	1,681,683	1,258,766
Accrued interest receivable	7,317	4,368
Restricted investment in bank stocks	3,022	3,644
Financial liabilities:
Demand deposits and savings	1,634,803	1,004,407
Time deposits	480,773	407,853
Short-term borrowings	52,721	33,435
Long-term borrowings	46,113	61,296
Trust preferred subordinated debt	11,000	5,000
Accrued interest payable	1,919	2,676
Off-balance sheet financial instruments	0	0
Fair Value
Financial assets:
Cash and due from banks	21,163	16,878
Interest-bearing deposits in banks	278,490	97,478
Equity securities available for sale	1,880	2,106
Investment securities available for sale	313,671	190,837
Investment securities held to maturity	14,110	19,281
Loans held for sale	10,043	2,406
Loans, less allowance for loan losses	1,732,710	1,263,014
Accrued interest receivable	7,317	4,368
Restricted investment in bank stocks	3,022	3,644
Financial liabilities:
Demand deposits and savings	1,634,803	1,004,407
Time deposits	486,460	409,426
Short-term borrowings	52,721	33,435
Long-term borrowings	47,263	61,965
Trust preferred subordinated debt	9,890	4,711
Accrued interest payable	1,919	2,676
Off-balance sheet financial instruments	$ 0	$ 0

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Equity interest in bank stocks. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Time Deposits, Fair Value Disclosure

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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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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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

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For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

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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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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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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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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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