Marketable Securities - Additional Information (Details) - USD ($) $ in Thousands |
Jul. 31, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Investments, Debt and Equity Securities [Abstract] | ||
| Marketable securities with contractual maturities of one year or more | $ 121,035 | $ 216,990 |
| Interest receivable | $ 9,100 | $ 10,100 |
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of investment in marketable security, classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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