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STOCK-BASED COMPENSATION Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
May 24, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common Stock, Capital Shares Reserved for Future Issuance         2,400,000
Common stock reserved for issuance to participants 1,284,467   1,284,467    
Share-based compensation arrangement award vesting period     5 years    
Stock-based compensation $ 180 $ 517 $ 874 $ 708  
Restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Shares Earned Above Target     244,855 0  
Granted, Number of share of restricted stock (shares)     521,507 1,323,033  
Stock-based compensation 180 517 $ 874 $ 708  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Shares Earned Above Target, Weighted Average Grant Date Fair Value     $ 1.00 $ 0.00  
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures     427,353    
Stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock Option Award Exercise Price as a Percentage of the Fair Market Value of a Share of Common Stock     100.00%    
Stock-based compensation $ 0 $ 0 $ 0 $ 0  
Non-Employee Director | Restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted, Number of share of restricted stock (shares)     94,154    
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 967,938   967,938    
Americas, Asia Pacific and Europe [Member] | Restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other that Options, Percentage of Shares Issued Based on Performance of EBITDA     70.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other that Options, Percentage of Shares Issued Based on Performance of Gross Margin Ratio     30.00%    
Corporate | Restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other that Options, Percentage of Shares Issued Based on Performance of Gross Margin Ratio     50.00%    
Share-based Compensation Award, Tranche One [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     33.00%    
Share-based Compensation Award, Tranche One [Member] | Restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance and service conditions     220,000    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     66.60%    
Share-based Compensation Award, Tranche Two [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     33.00%    
Share-based Compensation Award, Tranche Two [Member] | Restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance and service conditions     207,353    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     16.70%    
Share-based Compensation Award, Tranche Three [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     34.00%    
Share-based Compensation Award, Tranche Three [Member] | Restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     16.70%