Balance Sheet Components - Schedule of Property and Equipment Net (Details) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 250,201	$ 201,879
Less: accumulated depreciation and amortization	(57,791)	(51,955)
Property and equipment, net	192,410	149,924
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	178,923	137,445
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	42,493	36,216
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,223	23,593
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,562	$ 4,625

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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