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Stock-Based Compensation - Restricted Stock Units (Details) - RSUs
3 Months Ended
Apr. 30, 2022
$ / shares
shares
Number of Shares  
Outstanding, beginning of period (in shares) | shares 1,770,304
Granted (in shares) | shares 4,510,717
Released (in shares) | shares (26,630)
Forfeited (in shares) | shares (105,238)
Outstanding, end of period (in shares) | shares 6,149,153
Weighted-Average Grant Date Fair Value  
Outstanding, beginning of period (in USD per share) | $ / shares $ 52.51
Granted (in USD per share) | $ / shares 39.68
Released (in USD per share) | $ / shares 51.06
Forfeited (in USD per share) | $ / shares 45.79
Outstanding, end of period (in USD per share) | $ / shares $ 43.24