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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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services 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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Property and Equipment, net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 80,815		$ 143,196
Less: Accumulated depreciation	(51,018)		(81,685)
Total property and equipment, net	29,797	$ 36,050	61,511
Computer equipment, software, and internally developed software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	60,049		99,204
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,927		4,758
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	15,839		8,602
Capitalized facility leases
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 0		30,632
Less: Accumulated depreciation			$ (2,300)