Income Taxes - Schedule of Components of Loss Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Income Tax Disclosure [Abstract]
U.S.	$ (717,208)	$ (544,700)	$ (351,100)
Foreign	40,248	7,660	3,558
Loss before income taxes	$ (676,960)	$ (537,040)	$ (347,542)