Net Income per Share Attributable to Common Stockholders - Summary of Computation of Basic and Diluted Net Income Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Numerator:
Net income	$ 12,893	$ 10,656	$ 50,611	$ 29,797
Accretion and dividend on series A convertible preferred stock	(4,282)	(4,280)	(12,832)	(12,811)
Undistributed earnings attributable to preferred stockholders	(985)	(729)	(4,302)	(1,938)
Net income attributable to common stockholders	7,626	5,647	33,477	15,048
Net income attributable to common stockholders, diluted	$ 7,626	$ 5,647	$ 33,477	$ 15,048
Denominator:
Weighted-average number of shares used to compute net income per share attributable to common stockholders, basic	143,479	143,915	144,275	144,296
Dilutive effect of awards issued under employee equity plans	4,234	3,216	3,009	3,943
Dilutive effect of shares related to the convertible senior notes	1,358	494	718	1,112
Weighted-average number of shares used to compute net income per share attributable to common stockholders, diluted	149,071	147,625	148,002	149,351
Net income per share attributable to common stockholders, basic	$ 0.05	$ 0.04	$ 0.23	$ 0.1
Net income per share attributable to common stockholders, diluted	$ 0.05	$ 0.04	$ 0.23	$ 0.1