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Organization and Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
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Jan. 31, 2025 USD ($) Reportingunit | Jan. 31, 2024 USD ($) | Jan. 31, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Number of reporting unit for goodwill impairment | Reportingunit | 1 |  |
Goodwill impairment | $ 0 |  |
Impairment of long-lived assets | 0 |  |
Impairment losses on investment | 0 | $ 1,200,000 |
Realized gain on investments recognized |  |  | $ 700,000
Allowance for credit losses | 0 | 0 |
Write-offs of accounts receivable | $ 0 | $ 0 | $ 0

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