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Income Taxes - Schedule of Reconciliation of the Statutory U.S. Federal Income Tax Rate and the Benefit from Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2026 | Jan. 31, 2025 | Jan. 31, 2024
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Tax at statutory federal rate | $ 20,763 | $ 17,884 | $ 13,139
State and local income taxes, net of federal benefit | $ 1,883 | 2,782 | 3,792
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration] | stpr:IL, stpr:MA, stpr:NJ, stpr:NY |  |
U.S. tax on foreign earnings |  | 17,389 | 14,569
Foreign rate effects/difference |  | 2,022 | 819
Nondeductible expenses |  | 828 | 701
Induced conversion expense |  | 2,129 | 0
Change in reserve for unrecognized tax benefits |  | 7,880 | 7,916
Stock-based compensation | $ (6,448) | 1,032 | 3,555
Change in valuation allowance, including the effect of tax rate change |  | (203,542) | (102,573)
Other |  | 15 | (448)
Effect of cross-border tax laws: |  |  |
Global intangible low-taxed income | 3,498 |  |
Subpart F income inclusion | 1,473 |  |
Tax credits: |  |  |
Research and development tax credits | (22,258) | (7,880) | (7,916)
Nontaxable or nondeductible items: |  |  |
Non-deductible stock-based compensation | 12,626 |  |
Other | 1,041 |  |
Changes in unrecognized tax benefits | (32,703) |  |
Other Adjustments | 43 |  |
Total benefit from income taxes | $ (16,654) | $ (159,461) | $ (66,446)
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Tax at statutory federal rate | 21.00% | 21.00% | 21.00%
State and local income taxes, net of federal benefit | 1.90% |  |
Effect of cross-border tax laws: |  |  |
Global intangible low-taxed income | 3.50% |  |
Subpart F income inclusion | 1.50% |  |
Tax credits: |  |  |
Research and development tax credits | (22.50%) |  |
Nontaxable or nondeductible items: |  |  |
Non-deductible stock-based compensation | 12.80% |  |
Other | 1.10% |  |
Stock-based compensation | (6.50%) |  |
Changes in unrecognized tax benefits | (33.10%) |  |
Other Adjustments | 0.00% |  |
Total benefit from income taxes | (16.80%) |  |
Japan |  |  |
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Foreign rate effects/difference | $ 1,544 |  |
Other | $ (498) |  |
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Foreign tax effects | 1.60% |  |
Other | (0.50%) |  |
United Kingdom |  |  |
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Foreign rate effects/difference | $ 2,314 |  |
Stock-based compensation | (2,065) |  |
Intra-group transfer of intellectual property | (1,318) |  |
Other | $ (99) |  |
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Foreign tax effects | 2.30% |  |
Intra-group transfer of intellectual property | (1.30%) |  |
Other | (0.10%) |  |
Nontaxable or nondeductible items: |  |  |
Stock-based compensation | (2.10%) |  |
Netherlands |  |  |
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Other | $ 57 |  |
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Other | 0.10% |  |
Other foreign jurisdictions |  |  |
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] |  |  |
Foreign rate effects/difference | $ 320 |  |
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
Foreign tax effects | 0.30% |  |

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