Income Taxes - Summary of Domestic and Foreign Components of Loss Before Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Income Tax Disclosure [Abstract]
United States	$ (380,337)	$ (243,435)	$ (106,743)
Foreign	8,629	(1,068)	4,976
Loss before benefit from income taxes	$ (371,708)	$ (244,503)	$ (101,767)