Investments and Fair Value Measurements - Schedule of Gains and Losses on Strategic Investments (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2025 |
Oct. 31, 2024 |
Oct. 31, 2025 |
Oct. 31, 2024 |
|
| Fair Value Disclosures [Abstract] | ||||
| Unrealized losses recognized on privately held equity securities, including impairment | $ 0 | $ 0 | $ (1,579) | $ 0 |
| Unrealized losses, net | 0 | 0 | (1,579) | 0 |
| Realized gains recognized on sales of privately held equity securities | 0 | 0 | 0 | 6,881 |
| Realized losses recognized on sales of privately held equity securities | 0 | 0 | 0 | (655) |
| Realized gains, net | 0 | 0 | 0 | 6,226 |
| Gains (losses) on strategic investments, net | 0 | 0 | (1,579) | 6,226 |
| Unrealized losses recognized during the reporting period on privately held equity securities still held at the reporting date | $ 0 | $ 0 | $ (1,579) | $ 0 |