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Subsequent Events - Additional Information (Details) - Restricted Stock Units ("RSUs") - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Subsequent Event [Line Items]        
Number of shares granted     0 0
Forecast | Board of Directors        
Subsequent Event [Line Items]        
Vesting period 4 years      
Estimated grant date fair value $ 22.8      
Weighted-average period over which cost is expected to be recognized 4 years      
Common Class A        
Subsequent Event [Line Items]        
Vesting period   4 years    
Weighted-average period over which cost is expected to be recognized   3 years 8 months 12 days    
Common Class A | Forecast | Board of Directors        
Subsequent Event [Line Items]        
Number of shares granted 500,000