Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 294,447	$ 283,383
Less: accumulated depreciation	(210,450)	(189,571)
Total property and equipment, net	83,997	93,812
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment	216,124	203,242
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	62,544	64,180
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	15,314	15,496
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 465	$ 465