Net Loss Per Share - Schedule of Potentially Dilutive Securities (Details) - shares	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	14,426,000	12,594,000	14,426,000	12,594,000
Replacement shares issued in connection with acquisition
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	1,888,000	0	1,888,000	0
Options to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	4,140,000	5,685,000	4,140,000	5,685,000
Restricted stock units and performance stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	8,315,000	6,852,000	8,315,000	6,852,000
ESPP shares estimated to be purchased
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of loss per share (in shares)	83,000	57,000	83,000	57,000