Other Balance Sheet Components - Summary of Property And Equipment, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 314,261	$ 296,385
Less accumulated depreciation and amortization	(104,467)	(89,970)
Property and equipment—net	209,794	206,415
Servers and related equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	280,963	264,994
Computer hardware and software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	4,047	3,498
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	162	162
Leasehold Improvement [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	27,924	27,437
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,165	$ 294

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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