Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jan. 31, 2026	Jan. 31, 2025
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 116,582	$ 116,028
Less: accumulated depreciation	(86,494)	(76,339)
Total property and equipment, net	30,088	39,689
Computer software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	26,839	24,086
Office equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	23,907	23,529
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	7,133	7,894
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	57,983	59,944
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	33	27
Software in progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 687	$ 548