Stock-Based Compensation - Schedule of Restricted Stock Units (Details) - RSUs shares in Thousands	9 Months Ended
	Oct. 31, 2025 $ / shares shares
Number of Restricted Stock Units
Beginning balance (in shares) | shares	14,750
Granted (in shares) | shares	13,147
Released (in shares) | shares	(4,577)
Cancelled/forfeited (in shares) | shares	(4,949)
Ending balance (in shares) | shares	18,371
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 10.46
Granted (in dollars per share) | $ / shares	8.79
Released (in dollars per share) | $ / shares	11.14
Cancelled/forfeited (in dollars per share) | $ / shares	10.38
Ending balance (in dollars per share) | $ / shares	$ 9.12