EMPLOYEE BENEFIT PLAN (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
EMPLOYEE BENEFIT PLAN [Abstract]
Eligible employees to contribution, percentage	100.00%
Percentage of first elective contributions	6.00%
Percentage of additional contribution of employee salary	0.00%	1.00%
Entity's matching contribution	$ 0.9	$ 0.6	$ 0.4