Property, Plant and Equipment - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment
Gross property, plant and equipment	$ 2,088,911	$ 2,133,143
Less: Accumulated depreciation	(1,400,273)	(1,425,746)
Property, plant and equipment, net	688,638	707,397
Land
Property, Plant and Equipment
Gross property, plant and equipment	92,269	93,793
Buildings and improvements
Property, Plant and Equipment
Gross property, plant and equipment	239,651	243,472
Machinery and equipment
Property, Plant and Equipment
Gross property, plant and equipment	1,690,555	1,729,637
Uncompleted construction
Property, Plant and Equipment
Gross property, plant and equipment	$ 66,436	$ 66,241