LOANS AND ALLOWANCE FOR LOAN LOSSES (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	$ 1,252,647	$ 1,200,290
Interest receivable on loans	3,149	3,192
Total recorded investment in loans	1,255,796	1,203,482
Commercial and agricultural:
Composition of loan portfolio [Abstract]
Total recorded investment in loans	189,939	177,027
Commercial mortgages:
Composition of loan portfolio [Abstract]
Total recorded investment in loans	606,242	570,156
Commercial mortgages: \| Construction
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	57,549	46,387
Total recorded investment in loans	57,694	46,510
Commercial mortgages: \| Commercial mortgages
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	547,165	522,269
Total recorded investment in loans	548,548	523,646
Residential mortgages
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	200,629	198,493
Total recorded investment in loans	201,117	198,965
Consumer loans:
Composition of loan portfolio [Abstract]
Total recorded investment in loans	258,498	257,334
Consumer loans: \| Credit cards
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	1,403	1,476
Total recorded investment in loans	1,403	1,476
Consumer loans: \| Home equity lines and loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	97,273	98,590
Total recorded investment in loans	97,524	98,853
Consumer loans: \| Indirect consumer loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	142,791	139,572
Total recorded investment in loans	143,132	139,993
Consumer loans: \| Direct consumer loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	16,376	16,942
Total recorded investment in loans	16,439	17,012
Commercial and industrial \| Commercial and agricultural:
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	188,930	176,201
Total recorded investment in loans	189,407	176,666
Agricultural \| Commercial and agricultural:
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	531	360
Total recorded investment in loans	$ 532	$ 361

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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+ 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=82891408&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=84173941&loc=d3e5074-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
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