Quarterly report pursuant to Section 13 or 15(d)

Stock Plans - Schedule of Stock Option Activity (Detail)

v3.21.1
Stock Plans - Schedule of Stock Option Activity (Detail) - Stock Options [Member]
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 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 92,000
Options Exercised | shares (319,458)
Options Forfeited | shares (33,397)
Options Expired | shares (1,810)
Options, Outstanding, Ending Balance | shares 5,137,405
Options Exercisable at March 31, 2021 | shares 4,074,911
Weighted-Average Exercise Price, Outstanding, Beginning Balance | $ / shares $ 12.60
Weighted-Average Exercise Price, Options Granted | $ / shares 46.74
Weighted-Average Exercise Price, Options Exercised | $ / shares 8.82
Weighted-Average Exercise Price, Options Forfeited | $ / shares 9.05
Weighted-Average Exercise Price, Options Expired | $ / shares 5.46
Weighted-Average Exercise Price, Outstanding, Ending Balance | $ / shares 13.47
Weighted-Average Exercise Price, Exercisable | $ / shares $ 13.91
Weighted-Average Remaining Contractual Term, Outstanding 6 years 9 months 7 days
Weighted-Average Remaining Exercisable 6 years 3 months 10 days
Weighted-Average Aggregate Intrinsic Value | $ $ 56,355
Weighted-Average Aggregate Intrinsic Value, Exercisable | $ $ 41,038