Balance Sheet Components - Narrative (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2023 |
Jan. 31, 2022 |
Jan. 31, 2021 |
|
| Property, Plant and Equipment [Line Items] | |||
| Depreciation and amortization expense | $ 77,200,000 | $ 54,400,000 | $ 38,700,000 |
| Capitalized amount of internal use software | 49,300,000 | 30,700,000 | 14,000,000 |
| Amortization expense associated with internal use software | 21,500,000 | 12,400,000 | 7,900,000 |
| Net book value of capitalized internal use software | 66,300,000 | 38,600,000 | |
| Amortization of intangible assets | 16,565,000 | 12,902,000 | $ 1,448,000 |
| Other Current Liabilities | |||
| Property, Plant and Equipment [Line Items] | |||
| Deferred payroll taxes owed | 0 | 5,100,000 | |
| Data center and other computer equipment | |||
| Property, Plant and Equipment [Line Items] | |||
| Equipment additions | $ 245,400,000 | $ 89,800,000 | |