CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Income Statement [Abstract]
Revenue	$ 238,432	$ 202,441
Cost of revenue	62,209	60,947
Gross profit	176,223	141,494
Operating expenses:
Research and development	61,733	50,859
Sales and marketing	83,067	69,811
General and administrative	30,799	31,087
Total operating expenses	175,599	151,757
Income (loss) from operations	624	(10,263)
Interest and other expense, net	(4,157)	(3,999)
Loss before provision for income taxes	(3,533)	(14,262)
Provision for income taxes	1,166	311
Net loss	(4,699)	(14,573)
Dividend on series A convertible preferred stock	(3,695)
Accretion of series A convertible preferred stock	(527)
Net loss attributable to common stockholders	$ (8,921)	$ (14,573)
Net loss per share attributable to common stockholders, basic	$ (0.06)	$ (0.09)
Net loss per share attributable to common stockholders, diluted	$ (0.06)	$ (0.09)
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic	144,725	161,733
Weighted-average shares used to compute net loss per share attributable to common stockholders, diluted	144,725	161,733