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Acquisitions (Details) - USD ($)
$ in Thousands
Dec. 14, 2020
Sep. 18, 2020
Mar. 31, 2021
Mar. 03, 2021
Selling, General and Administrative Expenses        
Business Acquisition [Line Items]        
Acquisition-related costs     $ 350  
Argil, Inc.        
Business Acquisition [Line Items]        
Initial investment in Argil $ 4,200      
Air-CraftGlass        
Business Acquisition [Line Items]        
Purchase price of acquisition   $ 1,100    
Ownership percentage of business acquisition     100.00%  
Argil, Inc.        
Business Acquisition [Line Items]        
Purchase price of acquisition $ 3,700      
Ownership percentage of business acquisition     100.00%  
Guardian Optical Technologies        
Business Acquisition [Line Items]        
Ownership percentage of business acquisition     100.00%  
Business acquisition agreement, value       $ 12,000