Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenue
Total revenue	$ 144,894	$ 101,106	$ 273,764	$ 190,816
Cost of revenue
Total cost of revenue	38,448	28,761	73,279	55,012
Gross profit	106,446	72,345	200,485	135,804
Operating expenses
Research and development	46,688	38,478	92,366	73,660
Sales and marketing	64,474	54,020	120,625	106,031
General and administrative	23,705	31,808	45,434	50,376
Total operating expenses	134,867	124,306	258,425	230,067
Operating loss	(28,421)	(51,961)	(57,940)	(94,263)
Other income (expense), net	(84)	1,684	10,801	2,615
Loss before income taxes	(28,505)	(50,277)	(47,139)	(91,648)
Provision for (benefit from) income taxes	653	(304)	1,020	94
Net loss	$ (29,158)	$ (49,973)	$ (48,159)	$ (91,742)
Net loss per share attributable to ordinary shareholders, basic and diluted (in dollars per share)	$ (0.34)	$ (0.64)	$ (0.56)	$ (1.20)
Weighted-average shares used to compute net loss per share attributable to ordinary shareholders, basic and diluted (in shares)	86,373,166	77,772,406	85,275,474	76,202,865
License - self-managed
Revenue
Total revenue	$ 15,514	$ 12,272	$ 30,393	$ 22,179
Cost of revenue
Total cost of revenue	347	158	693	255
Subscription - self-managed and SaaS
Revenue
Total revenue	118,695	79,407	225,158	151,890
Cost of revenue
Total cost of revenue	29,148	19,741	55,038	37,636
Total subscription
Revenue
Total revenue	134,209	91,679	255,551	174,069
Cost of revenue
Total cost of revenue	29,495	19,899	55,731	37,891
Professional services
Revenue
Total revenue	10,685	9,427	18,213	16,747
Cost of revenue
Total cost of revenue	$ 8,953	$ 8,862	$ 17,548	$ 17,121