Net Loss Per Share - Antidilutive Securities Excluded from Computation of Net Loss Per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities that were not included in the diluted net loss per share calculations (shares)	3,341	1,059	2,935	541
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities that were not included in the diluted net loss per share calculations (shares)	2,130	49	1,696	87
Employee stock purchase program
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities that were not included in the diluted net loss per share calculations (shares)	0	0	28	0
Common stock warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive securities that were not included in the diluted net loss per share calculations (shares)	1,211	1,010	1,211	454