Balance Sheet Components - Schedule of Other Liabilities Non Current (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Jan. 31, 2020
Balance Sheet Components [Abstract]
Sales and other tax liabilities	$ 44,388	$ 33,957
Other	3,220	2,329
Other liabilities, non-current	$ 47,608	$ 36,286

Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_OtherLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant