Stockholders’ Deficit - Stock Options Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)	8,000,000	0	178,924
Unrecognized stock-based compensation, stock options	$ 90.7
Employee stock option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration period	10 years
Vesting period	4 years
Cost not yet recognized, period for recognition	2 years 6 months
Employee stock option | 1
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period	1 year
Stock options vesting percentage	25.00%
Employee Stock Option, Service-Based Vesting Condition
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)			$ 14.07
Granted (in shares)	0	0