LOANS AND ALLOWANCE FOR LOAN LOSSES, Troubled Debt Restructuring by Portfolio Segment (Details)	3 Months Ended	9 Months Ended
Sep. 30, 2017 USD ($) loan	Sep. 30, 2016 USD ($) loan	Sep. 30, 2017 USD ($) loan	Sep. 30, 2016 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of TDRs \| loan	3	6	5	6
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 429,000	$ 1,344,000	$ 895,000	$ 1,344,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	448,000	1,652,000	914,000	1,652,000
Allowance Related to Troubled Debt Restructurings assigned during period	$ 29,000	$ 0	$ 44,000	$ 0
Home Equity Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of TDRs \| loan			1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment			$ 315,000	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment			315,000	0
Allowance Related to Troubled Debt Restructurings assigned during period			$ 0	$ 0
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of TDRs \| loan	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 148,000	$ 0	$ 148,000	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	156,000	0	156,000	0
Allowance Related to Troubled Debt Restructurings assigned during period	$ 29,000	$ 0	$ 29,000	$ 0
Residential Real Estate [Member] \| Contractual Interest Rate Reduction [Member]
Financing Receivable, Modifications [Line Items]
Number of TDRs \| loan	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 134,000	$ 0	$ 134,000	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	145,000	0	145,000	0
Allowance Related to Troubled Debt Restructurings assigned during period	$ 0	$ 0	$ 0	$ 0
Residential Real Estate [Member] \| Extended Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of TDRs \| loan	1	0	2	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 147,000	$ 0	$ 298,000	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	147,000	0	298,000	0
Allowance Related to Troubled Debt Restructurings assigned during period	$ 0	$ 0	$ 15,000	$ 0
Commercial \| Extended Maturity [Member]
Financing Receivable, Modifications [Line Items]
Number of TDRs \| loan	0	6	0	6
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 1,344,000	$ 0	$ 1,344,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	1,652,000	0	1,652,000
Allowance Related to Troubled Debt Restructurings assigned during period	$ 0	$ 0	$ 0	$ 0

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+ References

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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 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524

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