Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Revenue:
Total revenue	$ 140,480	$ 94,586	$ 265,703	$ 178,207
Cost of revenue:
Total cost of revenue	38,780	28,228	73,875	52,335
Gross profit	101,700	66,358	191,828	125,872
Operating expenses:
Research and development	40,045	24,829	74,077	44,758
Sales and marketing	78,385	59,004	160,497	108,497
General and administrative	26,887	20,955	52,653	36,025
Total operating expenses	145,317	104,788	287,227	189,280
Operating loss	(43,617)	(38,430)	(95,399)	(63,408)
Interest expense	(4,304)	(4,058)	(8,545)	(6,775)
Other income, net	3,464	2,296	6,364	3,798
Loss before benefit from income taxes	(44,457)	(40,192)	(97,580)	(66,385)
Benefit from income taxes	(1,477)	(985)	(2,634)	(1,216)
Net loss	$ (42,980)	$ (39,207)	$ (94,946)	$ (65,169)	[1]
Net loss per share, basic and diluted (in dollars per share)	$ (0.37)	$ (0.37)	$ (0.83)	$ (0.62)
Weighted-average shares used to compute net loss per share, basic and diluted (in shares)	115,033	106,702	114,042	105,475
Subscription
Revenue:
Total revenue	$ 132,494	$ 87,854	$ 249,657	$ 164,695
Cost of revenue:
Total cost of revenue	27,917	19,211	52,457	35,543
Professional services and other
Revenue:
Total revenue	7,986	6,732	16,046	13,512
Cost of revenue:
Total cost of revenue	$ 10,863	$ 9,017	$ 21,418	$ 16,792

[1] Adjusted for adoption of ASC 842, Leases. See Note 2.