Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 328,807	$ 255,548
Less: Accumulated depreciation and amortization	(112,975)	(88,534)
Property and equipment, net	215,832	167,014
Data center and other computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	175,359	146,220
Capitalized internal-use software and website development
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	54,839	44,358
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	19,319	19,733
Purchased software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,219	3,211
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	6,469	6,498
Construction in process
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 67,602	$ 35,528

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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