Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 674,018	$ 497,248	$ 1,297,617	$ 919,619
Product revenue
Disaggregation of Revenue [Line Items]
Revenue	640,209	466,268	1,230,281	860,702
Professional services and other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 33,809	$ 30,980	$ 67,336	$ 58,917