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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 30,404	$ 19,171	$ 14,884	$ 8,106
Unrecognized tax benefits, if recognized, would impact effective tax rate	32,500	19,600	15,000
Interest and penalties	1,600	$ 400	$ 100
Federal Income Tax
Tax Credit Carryforward [Line Items]
Operating loss carryforward	22,900
Federal Income Tax \| Research and Development Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward	1,200
State Income Tax
Tax Credit Carryforward [Line Items]
Operating loss carryforward	26,900
State Income Tax \| Research and Development Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward	22,800
Foreign Tax
Tax Credit Carryforward [Line Items]
Operating loss carryforward	$ 32,500