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Restructuring - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Mar. 31, 2021
Restructuring Cost And Reserve [Line Items]          
Restructuring charges $ 0 $ 0 $ 0 $ 865,000  
Ameri-Kart [Member] | Scenario Forecast [Member]          
Restructuring Cost And Reserve [Line Items]          
Expected restructuring charges         $ 1,100,000