Balance Sheet Components - Property And Equipment And Accumulated Depreciation (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 644,222	$ 544,604
Less: Accumulated depreciation	(321,801)	(294,209)
Property and equipment, net	322,421	250,395
Accrued participation liabilities, due in next operating cycle	0
Information technology assets
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 225,988	185,345
Estimated Useful Lives	3 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 47,312	32,185
Estimated Useful Lives	3 years
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 40,681	40,681
Estimated Useful Lives	30 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 218,242	107,945
DVD operations equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 68,196	70,152
Estimated Useful Lives	5 years
Corporate aircraft
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 29,391	0
Estimated Useful Lives	8 years
Capital work-in-progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 14,412	$ 108,296