Revenue, Deferred Revenue and Remaining Performance Obligations (Tables)

6 Months Ended

Jul. 31, 2019

Revenue, Deferred Revenue and Remaining Performance Obligations

Summary of revenue from contracts by type of customer

	Three Months Ended July 31,								Six Months Ended July 31,
	2019				2018				2019				2018
	Amount		% Revenue		Amount		% Revenue		Amount		% Revenue		Amount		% Revenue
	(in thousands, except percentages)								(in thousands, except percentages)
Channel Partners	$	70,438	65	%	$	36,936	66	%	$	134,897	66	%	$	70,094	68	%
Direct Customers		37,670	35	%		18,765	34	%		69,288	34	%		32,896	32	%
Total revenue	$	108,108	100	%	$	55,701	100	%	$	204,185	100	%	$	102,990	100	%

Summary of revenue by region based on the shipping address of customers

	Three Months Ended July 31,								Six Months Ended July 31,
	2019					2018			2019					2018
	Amount		% Revenue		Amount		% Revenue		Amount		% Revenue		Amount		% Revenue
	(in thousands, except percentages)								(in thousands, except percentages)
United States	$	80,146	74	%	$	44,338	80	%	$	152,454	75	%	$	80,293	78	%
Europe, Middle East, and Africa		15,006	14	%		5,108	9	%		28,419	14	%		11,017	11	%
Asia Pacific		8,613	8	%		4,000	7	%		14,843	7	%		7,662	7	%
Other		4,343	4	%		2,255	4	%		8,469	4	%		4,018	4	%
Total revenue	$	108,108	100	%	$	55,701	100	%	$	204,185	100	%	$	102,990	100	%

Summary of changes in deferred revenue

Changes in deferred revenue for the six months ended July 31, 2019 were as follows (in thousands):

	Carrying Amount
	Three Months Ended July 31, 2019		Six Months Ended July 31, 2019
Beginning Balance	$	315,212	$	290,067
Additions to deferred revenue		162,658		283,880
Recognition of deferred revenue		(108,108)		(204,185)
Ending Balance	$	369,762	$	369,762

Summary of the activity of deferred contract acquisition costs

	Three Months Ended July 31,				Six Months Ended July 31,
	2019		2018		2019		2018
	(in thousands)
Beginning balance	$	64,197	$	21,764	$	63,071	$	22,334
Capitalization of contract acquisition costs		19,317		9,272		27,788		14,298
Amortization of deferred contract acquisition costs		(7,731)		(6,395)		(15,076)		(11,991)
Ending balance	$	75,783	$	24,641	$	75,783	$	24,641
Deferred contract acquisition costs, current	$	34,017	$	18,808	$	34,017	$	18,808
Deferred contract acquisition costs, noncurrent		41,766		5,833		41,766		5,833
Total deferred contract acquisition costs	$	75,783	$	24,641	$	75,783	$	24,641