v3.22.0.1
Stock-Based Compensation - Summary of RSU Activity (Detail) - Restricted Stock Units
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested and Outstanding Beginning Balance | shares 184,870,000
RSUs granted | shares 28,097,000
RSUs vested | shares (50,350,000)
RSUs canceled | shares (8,868,000)
Unvested and Outstanding Ending Balance | shares 153,749,000
Weighted Average Grant Date Fair Value per Share Beginning Balance | $ / shares $ 6.97
RSUs granted | $ / shares 24.08
RSUs vested | $ / shares 8.36
RSUs canceled | $ / shares 8.07
Weighted Average Grant Date Fair Value per Share Ending Balance | $ / shares $ 9.56