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Summary of Significant Accounting Policies - Property Plant and Equipment Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment $ 417,347 $ 391,262
Less: accumulated depreciation (307,221) (286,619)
Property, plant and equipment, net 110,126 104,643
Land and land improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 3,133 3,030
Buildings and improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 32,097 29,703
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 254,738 247,237
Office furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 9,708 9,100
Tooling    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 47,191 42,950
Information technology    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 36,853 32,584
Vehicles    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 789 783
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 5,249 5,199
Construction in progress    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment $ 27,589 $ 20,676