Other Balance Sheet Components - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,111,041	$ 859,128
Less accumulated depreciation and amortization	(401,659)	(266,782)
Property and equipment—net	709,382	592,346
Servers and related equipment and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	924,233	741,418
Computer hardware and software licenses
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	41,552	23,647
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	499	446
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	96,568	69,311
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 48,189	$ 24,306