Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Summary of Inventories

	September 30, 2021		December 31, 2020
(Dollars in thousands)
Raw materials	$	48,344	$	46,712
Work in process		73,425		45,394
Finished goods		93,203		62,874
Inventories, net	$	214,972	$	154,980