COMMITMENTS, CONTINGENCIES AND DERIVATIVES (Schedule of interest rate lock commitments) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Other Commitments [Line Items]
Derivative, Fair Value, Net	$ 123	$ 142
Interest Rate Lock Commitments
Other Commitments [Line Items]
Notional amount of derivative	24,753	21,746
Derivative Asset, Fair Value, Gross Asset	308	307
Derivative Liability, Fair Value, Gross Liability	(35)	(22)
Derivative, Fair Value, Net	273	285
Other Assets [Member] | Interest Rate Lock Commitments
Other Commitments [Line Items]
Notional amount of derivative	20,374	19,886
Other Liabilities [Member] | Interest Rate Lock Commitments
Other Commitments [Line Items]
Notional amount of derivative	$ 4,379	$ 1,860