Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2022

Property Plant And Equipment [Abstract]

Schedule of Property, Plant and Equipment

	September 30, 2022			December 31, 2021
(Dollars in thousands)
Land and buildings	$	123,049		$	129,826
Machinery and equipment		835,105			861,097
Leasehold improvements and others		7,474			9,831
Construction in progress		73,437			67,529
		1,039,065			1,068,283
Accumulated depreciation		(588,196	)		(573,882	)
Property, plant and equipment, net	$	450,869		$	494,401