Segment Information (Tables)

12 Months Ended

Jan. 31, 2019

Segment Reporting [Abstract]

Schedule of Revenue by Geographic Area

(in thousands):

	Year Ended January 31,
	2017		2018		2019
	(As Adjusted*)		(As Adjusted*)
United States	$	569,984	$	763,719	$	979,454
Rest of the world	169,187		261,043		380,370
Total revenue	$	739,171	$	1,024,762	$	1,359,824

* As adjusted to reflect the impact of the full retrospective adoption of ASC 606. For further information, see Note 2.

Schedule of Long-Lived Assets by Geographic Area

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

	January 31,
	2018		2019
United States	$	85,430	$	120,876
Rest of the world	3,712		4,477
Total long-lived assets	$	89,142	$	125,353