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Stockholders' Equity - Summary of RSU and Performance Award Activity (Detail)
3 Months Ended
Mar. 31, 2023
$ / shares
shares
RSUs and performance shares  
Outstanding  
Beginning unvested balance (in shares) 6,371,950
Ending unvested balance (in shares) 6,378,987
Expected to vest (in shares) 4,195,687
Weighted-average grant date fair value  
Beginning unvested balance (in dollars per share) | $ / shares $ 6.24
Ending unvested balance (in dollars per share) | $ / shares $ 6.22
RSU awards  
Outstanding  
Granted (in shares) 163,544
Vested (in shares) (70,670)
Forfeited (in shares) (50,212)
Weighted-average grant date fair value  
Granted (in dollars per share) | $ / shares $ 5.15
Vested (in dollars per share) | $ / shares 5.39
Forfeited (in dollars per share) | $ / shares $ 5.53
Performance-based stock awards  
Outstanding  
Forfeited (in shares) (35,625)
Ending unvested balance (in shares) 2,019,025
Weighted-average grant date fair value  
Forfeited (in dollars per share) | $ / shares $ 5.46