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Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 80,589 $ 74,870
Accumulated depreciation and amortization (61,761) (59,070)
Property, plant and equipment, less accumulated depreciation and amortization 18,828 15,800
Land    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 2,660 2,650
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 16,228 15,765
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 27,971 26,814
Capitalized software    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 21,715 23,013
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 5,855 5,725
Vehicles    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 196 151
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 5,964 $ 752