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EMPLOYEE BENEFIT PLAN (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]    
Defined contribution plan, employer matching contribution, percent, first 3% of contributions 100.00%  
Defined contribution plan, employer matching contribution, percent of employee's gross pay, first contributions 3.00%  
Defined contribution plan, employer matching contribution, percent, next 2% of contributions 50.00%  
Defined contribution plan, employer matching contribution, percent of employee's gross pay, next contributions 2.00%  
Defined contribution plan, cost recognized $ 0.1 $ 0.4