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STOCK BASED COMPENSATION - Summary of Stock-Based Compensation Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock compensation $ 2,747 $ 3,838 $ 6,290 $ 6,850
New TMM units (2)        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock compensation 0 356 0 513
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock compensation 944 1,188 2,185 2,146
Restricted stock units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total stock compensation $ 1,803 $ 2,294 $ 4,105 $ 4,191