Revenue by Geography - Narrative (Details) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)	Oct. 31, 2024 USD ($) segment	Oct. 31, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Number of operating segments \| segment			1
Total revenue	$ 236,178	$ 165,604	$ 628,444	$ 452,879
UNITED STATES
Disaggregation of Revenue [Line Items]
Total revenue	$ 163,600	$ 112,100	$ 434,100	$ 305,700
UNITED STATES \| Revenue \| Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk, percentage	69.00%	68.00%	69.00%	67.00%

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.

+ References

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 606
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+ Details