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Property, Plant, and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Summary of Property, plant and equipment      
Property, plant, and equipment — net $ 514,683 $ 448,765 $ 408,975
Land      
Summary of Property, plant and equipment      
Property, plant, and equipment 26,607 26,579  
Buildings      
Summary of Property, plant and equipment      
Property, plant, and equipment 215,137 200,223  
Machinery and equipment      
Summary of Property, plant and equipment      
Property, plant, and equipment 799,551 770,628  
Software      
Summary of Property, plant and equipment      
Property, plant, and equipment 46,094 44,886  
Construction in progress      
Summary of Property, plant and equipment      
Property, plant, and equipment 147,303 100,188  
Land Building Machinery and Equipment      
Summary of Property, plant and equipment      
Less allowances for depreciation, depletion, and amortization (749,622) (720,455)  
Property, plant, and equipment — net 485,070 422,049  
Capital leases      
Summary of Property, plant and equipment      
Property, plant, and equipment 32,624 31,662  
Less allowances for depreciation, depletion, and amortization (9,006) (7,395)  
Property, plant, and equipment — net 23,618 24,267  
Mineral resources      
Summary of Property, plant and equipment      
Property, plant, and equipment 4,980 4,980  
Mine development      
Summary of Property, plant and equipment      
Property, plant, and equipment 9,326 30,059  
Productive land      
Summary of Property, plant and equipment      
Less allowances for depreciation, depletion, and amortization (8,311) (32,590)  
Property, plant, and equipment — net $ 5,995 $ 2,449