CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Income Statement [Abstract]
Revenue	$ 246,015	$ 214,486	$ 484,447	$ 416,927
Cost of revenue	64,843	60,788	127,052	121,735
Gross profit	181,172	153,698	357,395	295,192
Operating expenses:
Research and development	61,965	52,722	123,698	103,581
Sales and marketing	83,442	72,788	166,509	142,599
General and administrative	32,625	34,298	63,424	65,385
Total operating expenses	178,032	159,808	353,631	311,565
Income (loss) from operations	3,140	(6,110)	3,764	(16,373)
Interest and other expense, net	(651)	(1,940)	(4,808)	(5,939)
Income (loss) before provision for income taxes	2,489	(8,050)	(1,044)	(22,312)
Provision for income taxes	1,444	650	2,610	961
Net income (loss)	1,045	(8,700)	(3,654)	(23,273)
Accretion and dividend on series A convertible preferred stock	(4,304)	(3,785)	(8,526)	(3,785)
Net loss attributable to common stockholders	$ (3,259)	$ (12,485)	$ (12,180)	$ (27,058)
Net loss per share attributable to common stockholders, basic	$ (0.02)	$ (0.08)	$ (0.08)	$ (0.17)
Net loss per share attributable to common stockholders, diluted	$ (0.02)	$ (0.08)	$ (0.08)	$ (0.17)
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic	143,739	161,163	144,224	161,443
Weighted-average shares used to compute net loss per share attributable to common stockholders, diluted	143,739	161,163	144,224	161,443