Stock-Based Compensation - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands |
9 Months Ended | |
|---|---|---|
Oct. 31, 2021 |
Oct. 31, 2020 |
|
| Share-based Payment Arrangement [Abstract] | ||
| Weighted average grant date fair value of options granted (in dollars per share) | $ 5.58 | $ 2.51 |
| Total intrinsic value of options exercised | $ 77,760 | $ 43,201 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|