Inventories (Tables)

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventories

As of December 31, 2019 and 2018, inventories consisted of the following:

(in thousands)	December 31, 2019	December 31, 2018
Raw materials	$52,960	$40,489
Work in process	31,744	33,181
Finished goods	10,445	12,234
Total inventories	$95,149	$85,904