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Stock-Based Compensation - Unvested Class B Common Stock Activity (Details) - Class B common stock
6 Months Ended
Jun. 30, 2022
$ / shares
shares
Number of Shares  
Beginning balance (in shares) | shares 10,854,859
Vested (in shares) | shares (3,634,707)
Forfeited / cancelled (in shares) | shares (227,783)
Ending balance (in shares) | shares 6,992,369
Weighted- Average Grant Date Fair Value (per share)  
Beginning balance (in dollars per share) | $ / shares $ 20.00
Vested (in dollars per share) | $ / shares 20.00
Forfeited / cancelled (in dollars per share) | $ / shares 20.00
Ending balance (in dollars per share) | $ / shares $ 20.00