LOANS AND ALLOWANCE FOR CREDIT LOSSES (Troubled Debt Restructurings on Financing Receivables) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2017 USD ($) contract	Dec. 31, 2016 USD ($) contract
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts \| contract	2	5
Premodification outstanding recorded investment	$ 1,222	$ 1,362
Postmodification outstanding recorded investment	$ 1,100	$ 1,260
Residential Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts \| contract		3
Premodification outstanding recorded investment		$ 667
Postmodification outstanding recorded investment		$ 688
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts \| contract	1	2
Premodification outstanding recorded investment	$ 760	$ 695
Postmodification outstanding recorded investment	$ 755	$ 572
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Number of contracts \| contract	1
Premodification outstanding recorded investment	$ 462
Postmodification outstanding recorded investment	$ 345

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

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

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