Balance Sheet Components - Property plant and equipment (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Jan. 31, 2024
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 120,448	$ 129,336
Less: accumulated depreciation and amortization	(71,154)	(81,463)
Total property and equipment, net	49,294	47,873
Equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	71,515	91,645
Capitalized internal-use software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	31,695	21,191
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	12,559	12,350
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 4,679	$ 4,150