Common Stock and Stockholders' Equity - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2024 |
Jul. 31, 2023 |
Jul. 31, 2024 |
Jul. 31, 2023 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | $ 32,366 | $ 35,537 | $ 65,306 | $ 63,082 |
| Cost of revenue | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | 1,508 | 2,164 | 3,264 | 4,040 |
| Research and development | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | 11,842 | 12,773 | 23,064 | 22,874 |
| Sales and marketing | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | 8,116 | 8,317 | 16,063 | 14,268 |
| General and administrative | ||||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||||
| Stock-based compensation expense | $ 10,900 | $ 12,283 | $ 22,915 | $ 21,900 |