Quarterly report pursuant to Section 13 or 15(d)

Stock Plans - Schedule of Stock Option Activity (Detail)

v3.21.2
Stock Plans - Schedule of Stock Option Activity (Detail) - Stock Options [Member]
$ / shares in Units, $ in Thousands
 6 Months Ended
Jun. 30, 2021
USD ($)
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Options, Outstanding, Beginning Balance | shares 5,400,070
Options Granted | shares 200,955
Options Exercised | shares (348,608)
Options Forfeited | shares (104,774)
Options Expired | shares (2,174)
Options, Outstanding, Ending Balance | shares 5,145,469
Options Exercisable at March 31, 2021 | shares 4,158,680
Weighted-Average Exercise Price, Outstanding, Beginning Balance | $ / shares $ 12.60
Weighted-Average Exercise Price, Options Granted | $ / shares 33.11
Weighted-Average Exercise Price, Options Exercised | $ / shares 8.78
Weighted-Average Exercise Price, Options Forfeited | $ / shares 9.79
Weighted-Average Exercise Price, Options Expired | $ / shares 5.33
Weighted-Average Exercise Price, Outstanding, Ending Balance | $ / shares 13.72
Weighted-Average Exercise Price, Exercisable | $ / shares $ 13.81
Weighted-Average Remaining Contractual Term, Outstanding 6 years 6 months 18 days
Weighted-Average Remaining Exercisable 6 years 18 days
Weighted-Average Aggregate Intrinsic Value | $ $ 34,108
Weighted-Average Aggregate Intrinsic Value, Exercisable | $ $ 24,674