Investments - Schedule of Marketable Equity Investments (Details) - USD ($) $ in Thousands |
Jul. 31, 2023 |
Jan. 31, 2023 |
|---|---|---|
| Debt and Equity Securities, FV-NI [Line Items] | ||
| Total initial cost | $ 24,801 | $ 38,449 |
| Cumulative net unrealized gains (losses) | 31,501 | 42,317 |
| Marketable securities | ||
| Debt and Equity Securities, FV-NI [Line Items] | ||
| Equity securities | $ 56,302 | $ 80,766 |
| X | ||||||||||
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Equity Securities, Cumulative Net Unrealized Gains (Losses) No definition available.
|
| X | ||||||||||
- Details
|