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INVENTORIES (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Inventory Disclosure [Abstract]      
Raw materials $ 16,227   $ 15,065
Work in progress 783   374
Finished products 56,890   38,070
Inventories, Net 73,900   $ 53,509
Inventory write-off $ 1,112 $ 1,106