Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of RSU Activity (Detail)

v3.21.2
Stockholders' Equity - Summary of RSU Activity (Detail) - Unvested RSUs
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Shares, Unvested as of December 31, 2020 | shares 3,829,620
Shares, Granted | shares 3,301,919
Shares, Forfeited | shares (409,639)
Shares, Vested | shares (933,837)
Shares, Outstanding as of June 30, 2021 | shares 5,788,063
Weighted Average Grant Date Fair Value, Unvested as of December 31, 2020 | $ / shares $ 15.91
Weighted Average Grant Date Fair Value, Granted | $ / shares 16.55
Weighted Average Grant Date Fair Value, Forfeited | $ / shares 15.08
Weighted Average Grant Date Fair Value, Vested | $ / shares 18.92
Weighted Average Grant Date Fair Value, Outstanding as of June 30, 2021 | $ / shares $ 15.85