COMMITMENTS, CONTINGENT LIABILITIES AND RESTRICTIONS (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Off-balance Sheet Risks, Disclosure Information [Line Items]
Contract amount of commitments and contingencies	$ 793,670	$ 796,098
Minimum [Member]
Off-balance Sheet Risks, Disclosure Information [Line Items]
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability	0
Maximum [Member]
Off-balance Sheet Risks, Disclosure Information [Line Items]
Range of reasonably possible losses for such matters in the aggregate, beyond the existing recorded liability	1,000
Commitments to Extend Credit [Member]
Off-balance Sheet Risks, Disclosure Information [Line Items]
Contract amount of commitments and contingencies	770,666	773,442
Standby Letters of Credit [Member]
Off-balance Sheet Risks, Disclosure Information [Line Items]
Contract amount of commitments and contingencies	$ 23,004	$ 22,656