REVENUE AND CONTRACT BALANCES - Schedule of Revenue from External Customers by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 210,648	$ 164,165	$ 595,940	$ 446,979
Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	100.00%	100.00%	100.00%	100.00%
United States
Disaggregation of Revenue [Line Items]
Revenue	$ 133,012	$ 103,461	$ 377,514	$ 284,917
United States \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	63.00%	63.00%	63.00%	64.00%
International
Disaggregation of Revenue [Line Items]
Revenue	$ 77,636	$ 60,704	$ 218,426	$ 162,062
International \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
% of Revenue	37.00%	37.00%	37.00%	36.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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