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Disclosures about Fair Value Measurements and Financial Instruments - Schedule of estimated fair value and recorded carrying value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Carrying Value	$ 42,068	$ 39,936
Loans held for sale	4,750	4,868
Loans, net of allowance for loan loss and unearned income, Carrying Value	863,315	873,427
Investment securities - HTM, Fair Value	44,236	41,082
Loans held for sale, Fair Value	4,889	4,970
Loans, net of allowance for loan loss and unearned income, Fair Value	867,308	873,908
FINANCIAL LIABILITIES: Carrying Value
Deposits with no stated maturities, Carrying Value	646,074	651,469
Deposits with stated maturities, Carrying Value	311,519	309,044
All other borrowings, Carrying Value	78,694	74,134
Deposits with no stated maturities, Fair Value	642,965	631,023
Deposits with stated maturities, Fair Value	$ 315,616	310,734
Assets and liabilities considered financial instruments, percentage	90.00%
All other borrowings, Fair Value	$ 85,321	76,323
Level 1 [Member]
FINANCIAL ASSETS: Carrying Value
Loans held for sale, Fair Value	4,889	4,970
Level 2 [Member]
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Fair Value	41,242	38,129
Level 3 [Member]
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Fair Value	2,994	2,953
Loans, net of allowance for loan loss and unearned income, Fair Value	867,308	873,908
FINANCIAL LIABILITIES: Carrying Value
Deposits with no stated maturities, Fair Value	642,965	631,023
Deposits with stated maturities, Fair Value	315,616	310,734
All other borrowings, Fair Value	$ 85,321	$ 76,323

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others having stated maturities.

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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