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SHARE-BASED PAYMENTS - Schedule of Share-based Compensation, Stock Options and Restricted Stock Units Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Stock-option      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]      
Number of nonvested shares, beginning of period (in shares) 177,698 139,600 0
Granted, nonvested, number of shares (in shares) 449,537 2,176,330 307,250
Vested, number of shares (in shares) (331,482) (2,119,803) (153,625)
Nonvested options forfeited, number of shares (in shares) (68,575) (18,429) (14,025)
Number of nonvested shares, end of period (in shares) 227,178 177,698 139,600
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share) $ 3.44 $ 5.27 $ 0.00
Granted, nonvested, weighted average grant date fair value (in dollars per share) 1.29 1.93 5.27
Vested, weighted average grant date fair value (in dollars per share) 2.26 2.00 5.27
Nonvested options forfeited, weighted average grant date fair value (in dollars per share) 1.56 5.17 5.27
Nonvested, weighted average grant date fair value, end of period (in dollars per share) $ 1.48 $ 3.44 $ 5.27
RSU      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]      
Number of nonvested shares, beginning of period (in shares) 272,866 0 0
Granted, nonvested, number of shares (in shares) 1,205,336 282,716 0
Vested, number of shares (in shares) (138,608) 0 0
Nonvested options forfeited, number of shares (in shares) (9,125) (9,850) 0
Number of nonvested shares, end of period (in shares) 1,330,469 272,866 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share) $ 4.03 $ 0.00 $ 0.00
Granted, nonvested, weighted average grant date fair value (in dollars per share) 2.14 4.05 0.00
Vested, weighted average grant date fair value (in dollars per share) 4.65 0.00 0.00
Nonvested options forfeited, weighted average grant date fair value (in dollars per share) 5.39 4.68 0.00
Nonvested, weighted average grant date fair value, end of period (in dollars per share) $ 2.37 $ 4.03 $ 0.00