Balance Sheet Components - Components of Content Library (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Balance Sheet Components Disclosure [Abstract]
Total content library, gross	$ 11,133,463	$ 8,497,403
Accumulated amortization	(4,546,489)	(3,598,375)
Total content library, net	6,586,974	4,899,028
Current content library, net	2,695,184	2,125,702
Non-current content library, net	$ 3,891,790	$ 2,773,326