Inventories (Tables)

12 Months Ended

Dec. 31, 2018

Inventory, Net [Abstract]

Schedule of Components of Inventories

The components of inventories are as follows (in thousands):

	December 31, 2018		December 31, 2017
Raw materials	$	31,973	$	32,994
Work-in-process	17,009		17,786
Finished goods	124,321		113,538
Inventories (Note 2)	$	173,303	$	164,318