LOANS AND ALLOWANCE FOR LOAN LOSSES (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	$ 1,320,638	$ 1,311,824
Interest receivable on loans	3,884	3,758
Total recorded investment in loans	1,324,522	1,315,582
Commercial and Agricultural
Composition of loan portfolio [Abstract]
Total recorded investment in loans	192,958	199,576
Commercial mortgages
Composition of loan portfolio [Abstract]
Total recorded investment in loans	667,575	646,174
Commercial mortgages \| Construction
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	50,353	45,558
Total recorded investment in loans	50,504	45,688
Commercial mortgages \| Commercial mortgages
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	615,221	598,772
Total recorded investment in loans	617,071	600,486
Residential mortgages
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	188,636	194,440
Total recorded investment in loans	189,161	194,937
Consumer Loans
Composition of loan portfolio [Abstract]
Total recorded investment in loans	274,828	274,895
Consumer Loans \| Credit cards
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	1,393	1,517
Total recorded investment in loans	1,393	1,516
Consumer Loans \| Home equity lines and loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	98,239	100,591
Total recorded investment in loans	98,537	100,878
Consumer Loans \| Indirect consumer loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	157,123	153,060
Total recorded investment in loans	157,526	153,532
Consumer Loans \| Direct consumer loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	17,293	18,879
Total recorded investment in loans	17,372	18,969
Commercial and industrial \| Commercial and Agricultural
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	192,093	198,463
Total recorded investment in loans	192,670	199,030
Agricultural \| Commercial and Agricultural
Composition of loan portfolio [Abstract]
Total loans, net of deferred origination fees and costs	287	544
Total recorded investment in loans	$ 288	$ 546

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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