Inventories (Tables)

6 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Summary of Inventories

	June 30, 2021		December 31, 2020
(Dollars in thousands)
Raw materials	$	48,401	$	46,712
Work in process		64,054		45,394
Finished goods		85,535		62,874
Inventories, net	$	197,990	$	154,980