Income Taxes - Domestic and Foreign Components of Loss before Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Income Tax Disclosure [Abstract]
United States	$ (306,814)	$ (105,589)	$ (337,156)
Foreign	(204,069)	10,931	(179,983)
Loss before income taxes	$ (510,883)	$ (94,658)	$ (517,139)