FAIR VALUE - Financial Instruments at Carrying Amounts and Estimated Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financial Assets
Interest-bearing deposits with banks	$ 23,163	$ 29,994
Restricted investments in bank stocks	15,823	16,184
Investment securities	479,599	490,885
Financial Liabilities
Securities sold under agreements to repurchase	10,933	8,269
Carrying Amount
Financial Assets
Cash and due from banks	33,974	25,969
Interest-bearing deposits with banks	23,163	30,493
Restricted investments in bank stocks	15,823	16,184
Investment securities	479,599	490,386
Loans held for sale	7,900	9,364
Loans, net of allowance for loan losses	1,641,145	1,629,675
Interest rate lock commitments on residential mortgages	435	103
Accrued interest receivable	6,697	6,040
Financial Liabilities
Deposits	1,897,296	1,875,522
Securities sold under agreements to repurchase	10,933	8,269
FHLB Advances	201,166	209,667
Subordinated notes	31,861	31,847
Accrued interest payable	1,040	879
Carrying Amount \| Interest rate swaps
Financial Assets
Interest rate swaps	104
Financial Liabilities
Interest rate swaps	1,359
Fair Value \| Fair Value, Inputs, Level 1, 2 and 3
Financial Assets
Cash and due from banks	33,974	25,969
Interest-bearing deposits with banks	23,163	30,493
Investment securities	479,599	490,386
Loans held for sale	7,900	9,364
Loans, net of allowance for loan losses	1,587,426	1,652,788
Interest rate lock commitments on residential mortgages	435	103
Accrued interest receivable	6,697	6,040
Financial Liabilities
Deposits	1,901,268	1,876,555
Securities sold under agreements to repurchase	10,933	8,269
FHLB Advances	201,544	210,005
Subordinated notes	32,970	33,953
Accrued interest payable	1,040	879
Fair Value \| Fair Value, Inputs, Level 1, 2 and 3 \| Interest rate swaps
Financial Assets
Interest rate swaps	104
Financial Liabilities
Interest rate swaps	1,359
Fair Value \| Level 1
Financial Assets
Cash and due from banks	33,974	25,969
Interest-bearing deposits with banks	23,163	30,493
Investment securities	0	0
Loans held for sale	0	0
Loans, net of allowance for loan losses	0	0
Interest rate lock commitments on residential mortgages	0	0
Accrued interest receivable	0	0
Financial Liabilities
Deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLB Advances	0	0
Subordinated notes	0	0
Accrued interest payable	0	0
Fair Value \| Level 1 \| Interest rate swaps
Financial Assets
Interest rate swaps	0
Financial Liabilities
Interest rate swaps	0
Fair Value \| Level 2
Financial Assets
Cash and due from banks	0	0
Interest-bearing deposits with banks	0	0
Investment securities	456,349	466,107
Loans held for sale	7,900	9,364
Loans, net of allowance for loan losses	0	0
Interest rate lock commitments on residential mortgages	0	0
Accrued interest receivable	2,237	1,863
Financial Liabilities
Deposits	1,901,268	1,876,555
Securities sold under agreements to repurchase	10,933	8,269
FHLB Advances	201,544	210,005
Subordinated notes	32,970	33,953
Accrued interest payable	1,040	879
Fair Value \| Level 2 \| Interest rate swaps
Financial Assets
Interest rate swaps	104
Financial Liabilities
Interest rate swaps	1,359
Fair Value \| Level 3
Financial Assets
Cash and due from banks	0	0
Interest-bearing deposits with banks	0	0
Investment securities	23,250	24,279
Loans held for sale	0	0
Loans, net of allowance for loan losses	1,587,426	1,652,788
Interest rate lock commitments on residential mortgages	435	103
Accrued interest receivable	4,460	4,177
Financial Liabilities
Deposits	0	0
Securities sold under agreements to repurchase	0	0
FHLB Advances	0	0
Subordinated notes	0	0
Accrued interest payable	0	$ 0
Fair Value \| Level 3 \| Interest rate swaps
Financial Assets
Interest rate swaps	0
Financial Liabilities
Interest rate swaps	$ 0

Interest payable fair value.

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Interest receivable fair value.

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- Definition

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, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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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 portion of borrowing from Federal Home Loan Bank (FHLBank).

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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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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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Fair value portion of mortgage loans held-for-sale.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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