Balance Sheet Components - Schedule of Property and Equipment Net (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 262,101	$ 201,879
Less: accumulated depreciation and amortization	(68,249)	(51,955)
Property and equipment, net	193,852	149,924
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	183,778	137,445
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	49,353	36,216
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,493	23,593
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 4,477	$ 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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