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Industry Segments - Additional Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Segment
Mar. 31, 2020
USD ($)
Segment Reporting Information [Line Items]    
Number of operating segments | Segment 2  
Net sales $ 174,429 $ 122,250
Foreign Countries [Member]    
Segment Reporting Information [Line Items]    
Net sales $ 11,000 $ 9,000