Income Taxes - Schedule of Loss Before Provision For Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Income Tax Disclosure [Abstract]
United States	$ (38,928)	$ (104,362)	$ (90,408)
Foreign	(3,298)	(38,576)	(42,806)
Loss before provision for income taxes	$ (42,226)	$ (142,938)	$ (133,214)	[1]

[1] As reported and disclosed under ASC Topic 840