COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Daily average required reserves	$ 54,500	$ 48,700
Deposits with other financial institutions	50,300
Uninsured deposits with other financial institutions	15,200	14,700
Indemnification reserves	379	$ 450
Cash Flow Hedging
Deposits with other financial institutions serves as collateral	18,900
Interest Rate Swap
Deposits with other financial institutions serves as collateral	$ 14,800