Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Components of property, plant and equipment
Land	$ 30,872	$ 38,689	$ 38,508
Land improvements and leasehold improvements	79,829	92,084	93,026
Buildings and storage facilities	360,234	364,721	366,453
Machinery and equipment	916,552	980,159	956,471
Construction in progress	44,420	41,429	40,599
Property, plant and equipment, gross	1,431,907	1,517,082	1,495,057
Less: accumulated depreciation	751,719	754,353	729,118
Property, plant and equipment, net	$ 680,188	$ 762,729	$ 765,939