Cash Equivalents, Investments, and Strategic Investments - Schedule of Fair Value Measurements (Details) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Investments, Debt and Equity Securities [Abstract] | ||
| Non-marketable equity securities under Measurement Alternative | $ 336,574 | $ 359,114 |
| Non-marketable equity securities under equity method | 5,329 | 5,241 |
| Marketable equity securities | 6,628 | 6,264 |
| Non-marketable debt securities | 5,000 | 10,000 |
| Total strategic investments—included in other assets | $ 353,531 | $ 380,619 |
| X | ||||||||||
- Definition Debt Securities without Readily Determinable Fair Value, Amount No definition available.
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| X | ||||||||||
- Definition Marketable Equity Securities, FV-NI, Amount No definition available.
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| X | ||||||||||
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. 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 long-term investments classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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