Revenue and Contract Balances - Disaggregation of Revenue by Type of Customer (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2022	Apr. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 78,255	$ 37,395
% of Revenue	100.00%	100.00%
Channel partners
Disaggregation of Revenue [Line Items]
Revenue	$ 71,454	$ 34,112
% of Revenue	91.00%	91.00%
Direct customers
Disaggregation of Revenue [Line Items]
Revenue	$ 6,801	$ 3,283
% of Revenue	9.00%	9.00%

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