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Share-Based Compensation - Summary of Stock Option Activity (Detail)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Apr. 30, 2022
USD ($)
$ / shares
shares
Options  
Outstanding - beginning of period | shares 3,647
Granted | shares 1,094
Exercised | shares (25)
Cancelled | shares (138)
Outstanding - end of period | shares 4,578
Vested and expected to vest - end of period | shares 3,182
Exercisable - end of period | shares 1,042 [1]
Weighted-Average Exercise Price  
Outstanding - beginning of period | $ / shares $ 16.74
Granted | $ / shares 17.24
Exercised | $ / shares 8.62
Cancelled | $ / shares 10.84
Outstanding - end of period | $ / shares 17.08
Vested and expected to vest - end of period | $ / shares 17.14
Exercisable - end of period | $ / shares $ 11.15 [1]
Weighted-Average Remaining Contractual Term (In years)  
Outstanding - end of period 4 years 6 months
Vested and expected to vest - end of period 3 years 1 month 6 days
Exercisable - end of period 3 years 6 months [1]
Aggregate Intrinsic Value  
Outstanding - end of period | $ $ 6,993
Vested and expected to vest - end of period | $ 2,683
Exercisable - end of period | $ $ 4,132 [1]
[1] Options exercisable represent “in-the-money” vested options based upon the weighted-average exercise price of vested options compared to the Company’s stock price on April 30, 2022.