INVENTORY

6 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

INVENTORY

7. INVENTORY

The following table summarizes the components of the Company’s inventory for the period indicated:

	As of June 30, 2019		As of December 31, 2018
	(in thousands)
Raw materials	$	72,126	$	71,313
Work in progress		78,354		47,279
Finished goods		6,089		6,853
Total inventory	$	156,569	$	125,445