LOANS AND ALLOWANCE FOR LOAN LOSSES (Troubled Debt Restructuring Loans) (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($) loan	Jun. 30, 2017 USD ($) loan	Jun. 30, 2018 USD ($) loan	Jun. 30, 2017 USD ($) loan	Dec. 31, 2017 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Contracts \| loan	34		34		36
Recorded Investment	$ 5,476,000		$ 5,476,000		$ 6,232,000
Specific Reserve	$ 579,000		$ 579,000		$ 468,000
Number of Contracts \| loan	1	1	1	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 163,000	$ 315,000	$ 163,000	$ 466,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	186,000	315,000	186,000	466,000
Allowance Related to Troubled Debt Restructurings assigned during period	$ 39,000	$ 0	$ 39,000	$ 15,000
Home Equity Loan
Financing Receivable, Modifications [Line Items]
Number of Contracts \| loan	0	1	0	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 315,000	$ 0	$ 315,000
Financing Receivable, Modifications, Post-Modification Recorded Investment	0	315,000	0	315,000
Allowance Related to Troubled Debt Restructurings assigned during period	$ 0	$ 0	$ 0	$ 0
Residential Real Estate
Financing Receivable, Modifications [Line Items]
Number of Contracts \| loan	24		24		24
Recorded Investment	$ 3,540,000		$ 3,540,000		$ 3,604,000
Specific Reserve	$ 442,000		$ 442,000		$ 452,000
Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Number of Contracts \| loan	2		2		3
Recorded Investment	$ 352,000		$ 352,000		$ 976,000
Specific Reserve	$ 23,000		$ 23,000		$ 16,000
Commercial
Financing Receivable, Modifications [Line Items]
Number of Contracts \| loan	6		6		7
Recorded Investment	$ 1,278,000		$ 1,278,000		$ 1,345,000
Specific Reserve	$ 0		$ 0		$ 0
Consumer
Financing Receivable, Modifications [Line Items]
Number of Contracts \| loan	2		2		2
Recorded Investment	$ 306,000		$ 306,000		$ 307,000
Specific Reserve	$ 114,000		$ 114,000		$ 0

Allowance for Credit Losses, Related to Troubled Debt Restructured Loans

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Allowance Related to Troubled Debt Restructuring assigned during period

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Financing Receivable Modifications Number Of Contracts Outstanding

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ 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=84173941&loc=SL6953676-111524

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554

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