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Stock-based Compensation - Summary of Restricted Stock Unit Activity (Detail) - Restricted stock units
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Number of Units  
Unvested at beginning of period (in shares) | shares 2,499
Granted (in shares) | shares 2,276
Cancelled/forfeited (in shares) | shares (315)
Vested (in shares) | shares (883)
Unvested at ending of period (in shares) | shares 3,577
Weighted-
Average
Grant-
Date Fair
Value  
Unvested at beginning of period (in dollars per share) | $ / shares $ 9.53
Granted (in dollars per share) | $ / shares 19.80
Cancelled/forfeited (in dollars per share) | $ / shares 12.25
Vested (in dollars per share) | $ / shares 18.60
Unvested at ending of period (in dollars per share) | $ / shares $ 21.52