Quarterly report pursuant to Section 13 or 15(d)

Revenue - Additional Information (Details)

v3.21.2
Revenue - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Revenue Concentration [Abstract]        
General and administrative $ 3,727 $ 3,545 $ 11,778 $ 23,158
Shipping costs        
Revenue Concentration [Abstract]        
General and administrative $ 300 $ 400 $ 1,200 $ 1,100