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Stock Based Awards - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation awards granted 1,559,000 5,258,000 3,375,000
Stock based compensation expense $ 3.1 $ 1.4 $ 1.3
Unrecognized stock based compensation expense $ 4.9    
RSU [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Vested but not settled 14,520    
Granted 203,000 0 0
2021 Equity Incentive plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Diluted shares conversion percentage 5.00%    
2021 Equity Incentive plan | Class A Common Stock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares reserved for future issuance 26,333,222    
Employee Stock Purchase Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Diluted shares conversion percentage 1.00%    
Number of Shares Available for Grant 50,000,000    
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued 0    
Employee Stock Purchase Plan | Class A Common Stock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of Shares Available for Grant 2,633,322