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Investments in Foreign Joint Ventures - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Aug. 20, 2019
Schedule of Equity Method Investments [Line Items]      
Net sales $ 41,550,000 $ 47,071,000  
Energia Superior      
Schedule of Equity Method Investments [Line Items]      
Ownership interest (as a percent)     50.00%
Bomay      
Schedule of Equity Method Investments [Line Items]      
Equity method investment, ownership percentage 40.00%    
Bomay | Baoji Oilfield Machinery Co., Ltd.      
Schedule of Equity Method Investments [Line Items]      
Equity method investment, ownership percentage 51.00%    
Bomay | AA Energies, Inc.      
Schedule of Equity Method Investments [Line Items]      
Equity method investment, ownership percentage 9.00%    
Affiliated Entity      
Schedule of Equity Method Investments [Line Items]      
Net sales $ 0 $ 0