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Summary of RSU Activity (Detail) - Restricted Stock Units
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Beginning Balance, Unvested, Number Outstanding | shares 682,563
Granted, Number Outstanding | shares 136,356
Vested, Number Outstanding | shares (257,440)
Forfeited, Number Outstanding | shares (42,973)
Ending Balance, Unvested, Number Outstanding | shares 518,506
RSUs vested but not released, Number Outstanding | shares 286,211
Beginning Balance, Unvested, Weighted Average Fair Value | $ / shares $ 4.34
Granted, Weighted Average Fair Value | $ / shares 12.20
Vested, Weighted Average Fair Value | $ / shares 5.33
Forfeited, Weighted Average Fair Value | $ / shares 4.32
Ending Balance, Unvested, Weighted Average Fair Value | $ / shares 5.92
RSUs vested but not released, Weighted Average Fair Value | $ / shares $ 4.94