Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 3,520,090	$ 3,031,063
Accumulated depreciation and amortization	(2,041,818)	(1,878,910)
Property and equipment, net	1,478,272	1,152,153
Computer and networking equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,847,717	1,469,293
Purchased software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	95,662	90,450
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	71,119	65,683
Office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	40,235	38,178
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	230,423	235,279
Internal-use software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,234,934	$ 1,132,180
Minimum \| Computer and networking equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	3 years
Minimum \| Purchased software
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	3 years
Minimum \| Furniture and fixtures
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	1 year
Minimum \| Office equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	3 years
Minimum \| Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	1 year
Minimum \| Internal-use software
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	2 years
Maximum \| Computer and networking equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	7 years
Maximum \| Purchased software
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	10 years
Maximum \| Furniture and fixtures
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	7 years
Maximum \| Office equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	5 years
Maximum \| Leasehold improvements
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	15 years
Maximum \| Internal-use software
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	7 years

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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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