Basic and Diluted Loss per Share - Weighted Average Number of Shares Excluded From Computation of EPS (Details) - shares	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share amount (in shares)	2,463,322	3,788,794
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share amount (in shares)	4,071,125	2,526,767
Employee Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share amount (in shares)	70,817	0