Balance Sheet Components - Property plant and equipment (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Jan. 31, 2026
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 187,548	$ 176,113
Less: accumulated depreciation and amortization	(101,044)	(92,283)
Total property and equipment, net	86,504	83,830
Equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	99,097	87,483
Capitalized internal-use software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	59,503	53,265
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	21,930	28,335
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 7,018	$ 7,030

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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