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Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 312,362 $ 302,113
Less:  Accumulated depreciation (156,928) (141,388)
Total property, plant and equipment, net 155,434 160,725
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment 14,908 13,876
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 149,048 135,474
Buildings and improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Lives 5 years  
Buildings and improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Lives 20 years  
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 116,825 121,870
Machinery and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Lives 3 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Lives 10 years  
Office furniture and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 11,743 10,749
Office furniture and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Lives 3 years  
Office furniture and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Lives 7 years  
Computer software    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 12,276 12,665
Computer software | Minimum    
Property, Plant and Equipment [Line Items]    
Useful Lives 3 years  
Computer software | Maximum    
Property, Plant and Equipment [Line Items]    
Useful Lives 7 years  
Transportation equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment $ 7,562 $ 7,479
Useful Lives 3 years