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v3.25.1

Employee Benefits and Stock-based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 05, 2021 | Jul. 31, 2024 | Jan. 31, 2025 | Jan. 31, 2024 | Jan. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Contribution expense |  |  | $ 700 | $ 800 | $ 800
Stock-based compensation expense, net |  |  | 108,043 | 111,316 | $ 111,158
Accrued stock-based compensation expense liabilities |  |  | $ 6,200 | $ 3,600 |
Closing price of stock |  |  | $ 76.72 |  |
Employee stock purchase plan awards [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Expected dividend yield |  |  | 0.00% | 0.00% | 0.00%
Executive [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Additional stock-based compensation expense, net related to departure recognized |  |  |  | $ 1,600 | $ 1,700
Stock options [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Total unrecognized compensation cost, stock options |  |  | $ 1,600 |  |
Weighted average recognition period |  |  | 4 months 2 days |  |
Restricted Stock and Restricted Stock Units [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Vesting schedule |  |  | 1/4th of the shares on the first anniversary service date of the grant and 1/16th of the shares vest every 3 months thereafter, so as to be 100% vested on the fourth anniversary of the vesting commencement date. |  |
Restricted stock units [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Weighted average recognition period |  |  | 2 years 4 months 20 days |  |
Total unrecognized compensation cost, restricted stock units |  |  | $ 154,100 |  |
Aggregate intrinsic value of unvested restricted stock units |  |  | 203,000 |  |
Total fair value of vesting dates of restricted stock units vested |  |  | $ 64,000 | $ 88,000 | $ 122,000
Restricted stock units [Member] | Executive [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Acceleration of vesting of shares of unvested equity awards |  |  |  | 24,559 | 35,703
2021 EIP [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Ordinary shares reserved for issuance |  |  | 3,100,000 |  |
Maximum number of ordinary shares reserved for issuance |  |  | 6,834,208 |  |
Increase in ordinary shares reserved for issuance |  | 1,750,000 |  |  |
2017 Stock Option Plan [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Additional ordinary shares reserved for issuance | 0 |  |  |  |
ESPP [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Purchase price of ordinary shares, percentage |  |  | 85.00% | 85.00% | 85.00%
Percentage of salary contribution by employees |  |  | 15.00% |  |
Additional ordinary shares reserved for issuance |  |  | 994,543 |  |
ESPP [Member] | Scenario, plan automatically increased by the lessor of [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Annual increase in ordinary shares for available for future issuance |  |  | 1,500,000 |  |
Annual shares increase for future issuance by percentage under 2012 employee stock purchase plan |  |  | 1.25% |  |

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