Condensed Consolidated Balance Sheet Components - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Jan. 31, 2026 |
|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |||||
| Depreciation expense | $ 2.3 | $ 1.2 | $ 4.4 | $ 2.5 | |
| Equity investments without readily determinable fair values | 26.9 | 26.9 | $ 27.7 | ||
| Convertible bonds | $ 14.1 | $ 14.1 | $ 14.2 | ||
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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