LOANS AND ALLOWANCE FOR LOAN LOSSES - Primary Segments (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Primary segments of the loan portfolio:
Individually evaluated for impairment	$ 15,556	$ 12,152
Collectively evaluated for impairment	1,089,750	1,039,816
Total Loans	1,105,306	1,051,968
Commercial
Primary segments of the loan portfolio:
Individually evaluated for impairment	13,796	10,781
Collectively evaluated for impairment	770,113	745,838
Total Loans	783,909	756,619
Residential
Primary segments of the loan portfolio:
Individually evaluated for impairment	1,569	1,161
Collectively evaluated for impairment	244,645	214,291
Total Loans	246,214	215,452
Home Equity
Primary segments of the loan portfolio:
Individually evaluated for impairment	13	132
Collectively evaluated for impairment	62,387	65,254
Total Loans	62,400	65,386
Consumer
Primary segments of the loan portfolio:
Individually evaluated for impairment	178	78
Collectively evaluated for impairment	12,605	14,433
Total Loans	$ 12,783	$ 14,511

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

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The balance of financing receivables that were individually evaluated for impairment.

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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=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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