Stock-Based Compensation - Stock Options (Details) - Stock options	3 Months Ended
	Apr. 30, 2024 $ / shares shares
Number of Options
Outstanding, beginning of period (in shares) | shares	21,159,850
Assumed options from Attivo acquisition (in shares) | shares	214,976
Exercised (in shares) | shares	(2,345,516)
Forfeited (in shares) | shares	(125,319)
Outstanding, end of period (in shares) | shares	18,903,991
Expected to vest (in shares) | shares	18,903,991
Vested and exercisable, Number (in shares) | shares	14,085,693
Weighted-Average Exercise Price
Outstanding, beginning of period (in USD per share) | $ / shares	$ 5.63
Assumed options from Attivo acquisition (in USD per share) | $ / shares	0.25
Exercised (in USD per share) | $ / shares	2.79
Forfeited (in USD per share) | $ / shares	8.03
Outstanding, end of period (in USD per share) | $ / shares	5.90
Expected to vest (in USD per shares) | $ / shares	5.90
Vested and exercisable, Weighted average (in USD per share) | $ / shares	$ 4.93