Consolidated Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 72,400	$ 57,355
Less: accumulated depreciation	(39,660)	(33,373)
Property and equipment, net	32,740	23,982
Computers and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	23,677	23,767
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	31,402	21,756
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,124	6,640
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,562	4,560
Other
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 635	$ 632