Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 2,798,316	$ 2,749,394
Accumulated depreciation	(1,482,261)	(1,385,837)
Total property, plant and equipment, net	1,316,055	1,363,557
Land and land improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	29,912	22,476
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	248,395	246,971
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	2,453,568	2,389,250
Other
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	20,063	23,138
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 46,378	$ 67,559