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Share Based Compensation - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Unrecognized compensation expense related to unvested PSUs, RSAs and RSUs $ 29.9 $ 29.1 $ 29.9 $ 29.1
Weighted-average period related to unvested PSUs, RSAs and RSUs     2 years 8 months 26 days 3 years 7 days
Share based compensation expense $ 5.5 $ 5.5 $ 10.7 $ 9.0
2019 Plan | Class A Common Stock        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Common stock reserved for issuance 7,326,728   7,326,728