Inventories (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	March 31, 2019		December 31, 2018
Raw materials	$	37,491	$	42,738
Work-in-process	2,891		3,435
Finished goods	38,826		37,109
	$	79,208	$	83,282