Net Income (Loss) per Share Attributable to Common Stockholders - Summary of Computation of Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Numerator:
Net income (loss)	$ 9,908	$ (13,861)	$ 6,254	$ (37,134)
Accretion and dividend on series A convertible preferred stock	(4,278)	(4,301)	(12,804)	(8,086)
Undistributed earnings attributable to preferred stockholders	(648)
Net income (loss) attributable to common stockholders, basic	4,982	(18,162)	(6,550)	(45,220)
Net income (loss) attributable to common stockholders, diluted	$ 4,982	$ (18,162)	$ (6,550)	$ (45,220)
Denominator:
Weighted-average number of shares used to compute net income (loss) per share attributable to common stockholders, basic	142,385	151,426	143,604	158,068
Weighted-average number of shares used to compute net income (loss) per share attributable to common stockholders, diluted	148,127	151,426	143,604	158,068
Net income (loss) per share attributable to common stockholders, basic	$ 0.03	$ (0.12)	$ (0.05)	$ (0.29)
Net income (loss) per share attributable to common stockholders, diluted	$ 0.03	$ (0.12)	$ (0.05)	$ (0.29)