EMPLOYEE BENEFITS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Retirement Benefits [Abstract]
Employer matching contribution to defined contribution plan	50.00%	50.00%	50.00%
Maximum percentage of compensation contribution by company to defined contribution plan	8.00%	8.00%	8.00%
Amount of contribution by company to defined contribution plan	$ 222	$ 195	$ 182