Balance Sheet Related Items - Schedule of Cost and Accumulated Depreciation of Property and Equipment (Details) - USD ($) $ in Thousands	Jul. 31, 2026	Jan. 31, 2026
Property, Plant, and Equipment [Line Items]
Total property and equipment	$ 73,602	$ 57,471
Less: accumulated depreciation and amortization	(26,813)	(22,293)
Total property and equipment, net	46,789	35,178
Computer equipment
Property, Plant, and Equipment [Line Items]
Total property and equipment	16,609	15,620
Capitalized software development costs
Property, Plant, and Equipment [Line Items]
Total property and equipment	36,701	23,345
Furniture and fixtures
Property, Plant, and Equipment [Line Items]
Total property and equipment	3,545	3,792
Leasehold improvements
Property, Plant, and Equipment [Line Items]
Total property and equipment	15,457	13,498
Other
Property, Plant, and Equipment [Line Items]
Total property and equipment	$ 1,290	$ 1,216