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COMMITMENTS AND CONTINGENCIES (Details) - US Customs Notice of Action - Unfavorable Regulatory Action - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Mar. 06, 2017
Feb. 16, 2017
Aug. 31, 2015
Sep. 30, 2017
Dec. 27, 2016
Jul. 31, 2015
Loss Contingencies [Line Items]            
Requested payment of AD/CVD cash deposits   $ 14,783     $ 3,049  
AD/CVD cash deposits to be remitted or bond posted   $ 3,049        
Amount tendered into a suspense account $ 3,049          
Loss contingency reserve       $ 3,585    
Threatened Litigation            
Loss Contingencies [Line Items]            
Requested payment of AD/CVD cash deposits           $ 1,100
AD/CVD cash deposits to be remitted or bond posted     $ 1,100      
Interest expense            
Loss Contingencies [Line Items]            
Addition to reserve       $ 84