COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Off-balance sheet credit risks, amount, liability	$ 795	$ 1,104
Daily average required reserves	77,900	54,476
Deposits with other financial institutions	37,800
Uninsured deposits with other financial institutions	12,300	$ 15,200
Cash Flow Hedging
Deposits with other financial institutions serves as collateral for cash flow hedge	$ 23,900