Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2023

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

	June 30, 2023			December 31, 2022
(Dollars in thousands)
Land and buildings	$	164,245		$	144,870
Machinery and equipment		950,453			887,222
Leasehold improvements and others		5,183			4,993
Construction in progress		68,567			80,263
		1,188,448			1,117,348
Accumulated depreciation		(711,614	)		(643,388	)
Property, plant and equipment, net	$	476,834		$	473,960