Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 2,065,659	$ 1,219,327	$ 592,049
Product revenue
Disaggregation of Revenue [Line Items]
Revenue	1,938,783	1,140,469	553,794
Professional services and other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 126,876	$ 78,858	$ 38,255