Organization and Summary of Significant Accounting Policies (Narrative) (Details) $ / shares in Units, $ in Thousands, member in Millions			3 Months Ended								12 Months Ended
	Jul. 14, 2015	Jun. 30, 2015	Dec. 31, 2016 USD ($) country member	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) country segment member $ / shares	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of streaming members (more than) | member			93								93
Number of countries (over) | country			190								190
Number of hours (more than)											125000000 hours
Number of reportable segments | segment											3
Stock split, conversion ratio	7	7
Decrease in operating income											$ (379,793)	$ (305,826)	$ (402,648)
Decrease in net income			$ (66,748)	$ (51,517)	$ (40,755)	$ (27,658)	$ (43,178)	$ (29,432)	$ (26,335)	$ (23,696)	(186,678)	(122,641)	(266,799)
Advertising expense											842,400	714,300	533,100
Technology and development											768,300	570,000	398,200
Foreign currency translation adjustment, other comprehensive loss												21,800
Foreign currency transaction gain (loss)											$ 22,800	$ (37,300)	$ (8,200)
Minimum [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Streaming content library useful life											6 months
DVD content library useful life											1 year
Maximum [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Streaming content library useful life											5 years
DVD content library useful life											2 years
Property and equipment estimated useful life											30 years
Content Library, Current [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Streaming content library useful life											1 year
Intangible Assets, Amortization Period [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Decrease in operating income											$ 19,800
Decrease in net income											$ 12,300
Decrease in earnings per share, basic and diluted | $ / shares											$ 0.03