LOANS AND ALLOWANCE FOR LOAN LOSSES - Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	$ 1,200,290	$ 1,168,633
Interest receivable on loans	3,192	2,870
Total ending loans balance	1,203,482	1,171,503
Residential mortgages held for sale	412	1,076
Commercial, and Agricultural
Composition of loan portfolio [Abstract]
Total ending loans balance	177,027	193,700
Commercial mortgages:
Composition of loan portfolio [Abstract]
Total ending loans balance	570,156	507,700
Commercial mortgages: \| Construction
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	46,387	41,131
Total ending loans balance	46,510	41,231
Commercial mortgages: \| Commercial mortgages
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	522,269	465,347
Total ending loans balance	523,646	466,469
Residential Mortgages
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	198,493	195,778
Total ending loans balance	198,965	196,236
Loans pledged as collateral	158,000	156,300
Consumer Loans
Composition of loan portfolio [Abstract]
Total ending loans balance	257,334	273,867
Consumer Loans \| Credit cards
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	1,476	1,483
Total ending loans balance	1,476	1,482
Consumer Loans \| Home equity lines and loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	98,590	101,726
Total ending loans balance	98,853	101,977
Consumer Loans \| Indirect Consumer Loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	139,572	151,327
Total ending loans balance	139,993	151,726
Consumer Loans \| Direct consumer loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	16,942	18,608
Total ending loans balance	17,012	18,682
Commercial and industrial \| Commercial, and Agricultural
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	176,201	192,197
Total ending loans balance	176,666	192,661
Agricultural \| Commercial, and Agricultural
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees	360	1,036
Total ending loans balance	$ 361	$ 1,039

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount before allowance and after 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524

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No definition available.

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Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5086-111524

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Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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