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Property and Equipment, Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment, Net      
Property and equipment $ 1,905,700    
Property and equipment   $ 1,842,274  
Accumulated depreciation (1,188,209)    
Accumulated depreciation   (1,138,898)  
Total property and equipment, depreciable, net 717,491    
Total property and equipment, net   843,403 $ 756,711
Land 69,262 69,188  
Construction in progress 77,622 70,839  
Total property and equipment, net 864,375    
Land Improvements      
Property, Plant and Equipment, Net      
Property and equipment 34,211    
Property and equipment   34,060  
Buildings      
Property, Plant and Equipment, Net      
Property and equipment 502,315    
Property and equipment   501,659  
Machinery and equipment      
Property, Plant and Equipment, Net      
Property and equipment $ 1,369,174    
Property and equipment   1,306,555  
Depreciable Assets      
Property, Plant and Equipment, Net      
Total property and equipment, net   $ 703,376