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Stock-Based Awards - Summary of Restricted Stock Activity and Restricted Stock Units (Details)
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Restricted Stock Units (RSUs)  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Granted | shares 932,265
Number of Shares, Cancelled | shares (1,710)
Number of Shares, Unvested, Ending Balance | shares 930,555
Weighted Average Grant Date Fair Value, Granted | $ / shares $ 66.60
Weighted Average Grant Date Fair Value, Cancelled | $ / shares 67.38
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 66.60
Restricted Stock Awards (RSAs)  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Unvested, Beginning Balance | shares 89,261
Number of Shares, Vested | shares (52,963)
Number of Shares, Unvested, Ending Balance | shares 36,298
Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares $ 1.48
Weighted Average Grant Date Fair Value, Vested | $ / shares 1.44
Weighted Average Grant Date Fair Value, Ending Balance | $ / shares $ 1.53