Inventories

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

	As of September 30, 2018		As of December 31, 2017
	(in thousands)
Raw materials	$	13,726	$	20,924
Work-in-process	77,408		74,237
Finished goods	33,016		16,669
Total	$	124,150	$	111,830