Segment Information (Tables)

12 Months Ended

Jan. 31, 2017

Segment Reporting [Abstract]

Schedule of Revenue by Geographic Area

The following table sets forth revenue by geographic area based on the billing address of our customers (in thousands):

	Year Ended January 31,
	2015		2016		2017
United States	$	134,920	$	343,625	$	561,352
Rest of the world	39,531		96,708		166,625
Total revenue	$	174,451	$	440,333	$	727,977

Schedule of Long-Lived Assets by Geographic Area

Long-lived assets by geographic area are summarized as follows (in thousands):

	January 31,
	2016		2017
United States	$	50,501	$	78,692
Rest of the world	2,128		3,003
Total long-lived assets	$	52,629	$	81,695