Balance Sheet Components - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2021 |
Jul. 31, 2020 |
Jul. 31, 2021 |
Jul. 31, 2020 |
|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | ||||
| Depreciation and amortization for property and equipment | $ 1.0 | $ 0.6 | $ 1.8 | $ 1.2 |
| Amortization expense for capitalized internal-use software | 0.8 | 0.6 | 1.5 | 1.2 |
| Capitalized internal-use software costs | $ 1.7 | $ 0.8 | $ 2.7 | $ 1.5 |
| X | ||||||||||
- Definition Additions made to capitalized computer software costs during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of expense for amortization of capitalized computer software costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of expense charged against earnings to allocate the cost of tangible and intangible assets over their remaining economic lives, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|