Revenue, Accounts Receivable, Deferred Revenue, and Remaining Performance Obligations - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2022	Apr. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 422,371	$ 228,914
Product revenue
Disaggregation of Revenue [Line Items]
Revenue	394,434	213,830
Professional services and other revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 27,937	$ 15,084

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details