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Inventories - Schedule of Inventory Current (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Finished goods $ 57,709 $ 66,930
Work-in-progress 56,007 45,408
Raw materials 94,010 81,145
Total $ 207,726 $ 193,483