Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 557,028	$ 334,441	$ 1,476,647	$ 835,553
Product revenue
Disaggregation of Revenue [Line Items]
Revenue	522,752	312,458	1,383,454	780,911
Professional services and other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 34,276	$ 21,983	$ 93,193	$ 54,642