Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits	$ 56,334	$ 41,772	$ 30,404	$ 19,171
Unrecognized tax benefits, if recognized, would impact effective tax rate	66,000	46,500	32,500
Interest and penalties	9,700	$ 4,700	$ 1,600
Federal Income Tax
Tax Credit Carryforward [Line Items]
Operating loss carryforward	1,800
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	12,500
State Income Tax | Research and Development Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward	23,400
Foreign Tax
Tax Credit Carryforward [Line Items]
Operating loss carryforward	$ 22,400