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FAIR VALUE - Financial Instruments at Estimated Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financial Assets
Interest-bearing deposits with banks	$ 54,830	$ 45,664
Federal funds sold	0	16,995
Restricted investments in bank stocks	10,292	10,842
AFS Securities	490,221	465,844
Carrying Amount
Financial Assets
Cash and due from banks	22,387	26,156
Interest-bearing deposits with banks	54,830	45,664
Federal funds sold		16,995
Restricted investments in bank stocks	10,292	10,842
AFS Securities	490,221	465,844
Loans held for sale	4,787	3,340
Loans, net of allowance for loan losses	1,251,256	1,233,643
Accrued interest receivable	6,340	5,927
Financial Liabilities
Deposits	1,620,696	1,558,756
Short-term borrowings	9,579	64,069
Long-term debt	103,356	83,450
Subordinated Notes	31,810	31,859
Accrued interest payable	1,454	1,301
Off-balance sheet instruments	0	0
Fair Value
Financial Assets
Cash and due from banks	22,387	26,156
Interest-bearing deposits with banks	54,830	45,664
Federal funds sold		16,995
AFS Securities	490,221	465,844
Loans held for sale	4,906	3,413
Loans, net of allowance for loan losses	1,258,698	1,229,645
Accrued interest receivable	6,340	5,927
Financial Liabilities
Deposits	1,618,521	1,555,912
Short-term borrowings	9,579	64,069
Long-term debt	103,401	82,951
Subordinated Notes	33,339	31,256
Accrued interest payable	1,454	1,301
Off-balance sheet instruments	0	0
Fair Value | Level 1
Financial Assets
Cash and due from banks	22,387	26,156
Interest-bearing deposits with banks	54,830	45,664
Federal funds sold		16,995
AFS Securities	0	0
Loans held for sale	0	0
Loans, net of allowance for loan losses	0	0
Accrued interest receivable	0	0
Financial Liabilities
Deposits	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Subordinated Notes	0	0
Accrued interest payable	0	0
Off-balance sheet instruments	0	0
Fair Value | Level 2
Financial Assets
Cash and due from banks	0	0
Interest-bearing deposits with banks	0	0
Federal funds sold		0
AFS Securities	482,960	458,635
Loans held for sale	4,906	3,413
Loans, net of allowance for loan losses	0	0
Accrued interest receivable	2,812	2,853
Financial Liabilities
Deposits	1,618,521	1,555,912
Short-term borrowings	9,579	64,069
Long-term debt	103,401	82,951
Subordinated Notes	33,339	31,256
Accrued interest payable	1,454	1,301
Off-balance sheet instruments	0	0
Fair Value | Level 3
Financial Assets
Cash and due from banks	0	0
Interest-bearing deposits with banks	0	0
Federal funds sold		0
AFS Securities	7,261	7,209
Loans held for sale	0	0
Loans, net of allowance for loan losses	1,258,698	1,229,645
Accrued interest receivable	3,528	3,074
Financial Liabilities
Deposits	0	0
Short-term borrowings	0	0
Long-term debt	0	0
Subordinated Notes	0	0
Accrued interest payable	0	0
Off-balance sheet instruments	$ 0	$ 0

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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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The fair value 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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The amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements.

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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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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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