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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	Sep. 30, 2019	Dec. 31, 2018
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Carrying Value	$ 39,299	$ 40,760
Loans held for sale	5,949	847
Loans, net of allowance for loan loss and unearned income, Carrying Value	860,788	853,611
Investment securities - HTM, Fair Value	40,813	40,324
Loans held for sale, Fair Value	6,102	871
Loans, net of allowance for loan loss and unearned income, Fair Value	862,163	836,122
FINANCIAL LIABILITIES: Carrying Value
Deposits with no stated maturities, Carrying Value	666,977	671,666
Deposits with stated maturities, Carrying Value	303,012	277,505
All other borrowings, Carrying Value	76,086	67,148
Deposits with No Stated Maturities Fair Value Disclosure	655,398	627,323
Deposits with stated maturities, Fair Value	304,249	277,010
All other borrowings, Fair Value	76,664	69,692
Level 1 [Member]
FINANCIAL ASSETS: Carrying Value
Loans held for sale, Fair Value	6,102	871
Level 2 [Member]
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Fair Value	37,849	37,398
Level 3 [Member]
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Fair Value	2,964	2,926
Loans, net of allowance for loan loss and unearned income, Fair Value	862,163	836,122
FINANCIAL LIABILITIES: Carrying Value
Deposits with No Stated Maturities Fair Value Disclosure	655,398	627,323
Deposits with stated maturities, Fair Value	304,249	277,010
All other borrowings, Fair Value	$ 76,664	$ 69,692

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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
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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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