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SHARE-BASED COMPENSATION - Summary of Restricted Stock Unit Activity (Detail) - Restricted Stock Units (RSUs) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Period for recognition of unamortized compensation expense 3 years  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Balance beginning of period (units) 700,500  
Vested (units) (1,252)  
Forfeited (units) (2,027)  
Balance end of period (units) 697,221  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]    
Weighted Average Grant Date Fair Value, beginning of period (in USD per share) $ 15.91  
Weighted Average Grant Date Fair Value, Wested (in USD per share) 13.01  
Weighted Average Grant Date Fair Value, Forfeited (in USD per share) 13.65  
Weighted Average Grant Date Fair Value, end of period (in USD per share) $ 17.12  
Unamortized Compensation Expense $ 4,482