Equity Incentive Plans and Stock-Based Compensation - Summary of Restricted Stock Unit Activity (Details) - RSUs shares in Thousands	12 Months Ended
	Jan. 31, 2025 $ / shares shares
RSUs
Unvested, beginning balance (in shares) | shares	31,272
Granted (in shares) | shares	17,704
Vested (in shares) | shares	(15,359)
Forfeited (in shares) | shares	(11,168)
Unvested, ending balance (in shares) | shares	22,449
Weighted-Average Grant Date Fair Value Per Share
Unvested, beginning balance (in dollars per share) | $ / shares	$ 19.89
Granted (in dollars per share) | $ / shares	17.50
Vested (in dollars per share) | $ / shares	20.90
Forfeited (in dollars per share) | $ / shares	18.89
Unvested, ending balance (in dollars per share) | $ / shares	$ 17.81