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Disaggregated Revenues - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Disaggregation Of Revenue [Line Items]        
Disaggregated revenues $ 17,297 $ 11,446 $ 34,674 $ 22,662
United States        
Disaggregation Of Revenue [Line Items]        
Disaggregated revenues $ 7,400 $ 2,300 $ 13,800 $ 4,500