Balance Sheet Components (Property and Equipment and Accumulated Depreciation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 641,218	$ 544,604
Less: Accumulated depreciation	(321,814)	(294,209)
Property and equipment, net	319,404	250,395
Information technology assets Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 223,850	185,345
Estimated Useful Lives	3 years
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 49,217	32,185
Estimated Useful Lives	3 years
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 40,681	40,681
Estimated Useful Lives	30 years
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 229,848	107,945
DVD operations equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 59,316	70,152
Estimated Useful Lives	5 years
Corporate Aircraft [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 30,039	0
Estimated Useful Lives	8 years
Capital work-in-progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,267	$ 108,296