FAIR VALUE (Schedule of Residential Loans Held for Sale, at Fair Value) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2017	Dec. 31, 2016
Fair Value Disclosures [Abstract]
Residential loans contractual balance	$ 2,214	$ 1,181
Fair value adjustment	26	19
Total fair value of residential loans held for sale	$ 2,240	$ 1,200

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

No definition available.

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