Capital Stock - Schedule of Ordinary Shares Reserved for Future Issuance under Company's Equity Plans and ESPP (Detail) - shares |
Oct. 31, 2022 |
Jan. 31, 2022 |
|---|---|---|
| Equity Plans [Member] | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Shares reserved | 6,120,269 | 7,461,541 |
| ESPP [Member] | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Shares reserved | 2,986,403 | 2,624,704 |