LOANS (Schedule of Modified as Troubled Debt Restructurings Subsequently Defaulted) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2017 USD ($) N	Dec. 31, 2016 USD ($) N
Number of Subsequently Defaulted Contracts \| N	1	1
Subsequently Defaulted Recorded Investment \| $	$ 336	$ 269
Primary Residential Mortgages [Member] \| Residential Portfolio Segment [Member]
Number of Subsequently Defaulted Contracts \| N	1	1
Subsequently Defaulted Recorded Investment \| $	$ 336	$ 269

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

Name:	us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration