v3.20.2
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Property, Plant, and Equipment    
Total property, plant and equipment, gross $ 1,443,207 $ 1,433,588
Less: Accumulated depreciation 518,621 481,629
Total property, plant and equipment, net 924,586 951,959
Machinery and equipment    
Property, Plant, and Equipment    
Total property, plant and equipment, gross 1,386,140 1,378,651
Buildings and improvements    
Property, Plant, and Equipment    
Total property, plant and equipment, gross 17,534 17,221
Automotive equipment    
Property, Plant, and Equipment    
Total property, plant and equipment, gross 16,637 16,691
Land and improvements    
Property, Plant, and Equipment    
Total property, plant and equipment, gross 14,058 14,075
Construction in progress    
Property, Plant, and Equipment    
Total property, plant and equipment, gross 7,047 5,198
Other    
Property, Plant, and Equipment    
Total property, plant and equipment, gross $ 1,791 $ 1,752