Cash and Cash Equivalents, Investments and Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Apr. 30, 2023 |
Apr. 30, 2023 |
Jan. 31, 2023 |
|
| Fair Value Assets and Liabilities Measure On Recurring And Nonrecurring Basis [Line Items] | |||
| Investments, weighted average maturity | 18 months | ||
| Investments, term | 2 years | ||
| Debt and equity securities | $ 414,743 | $ 414,743 | $ 528,127 |
| Level 3 | Strategic Investments | |||
| Fair Value Assets and Liabilities Measure On Recurring And Nonrecurring Basis [Line Items] | |||
| Debt and equity securities | $ 12,500 | $ 12,500 | $ 12,500 |