Organization and Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands, member in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019 USD ($) country member	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) country member	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2019 USD ($)	Jan. 01, 2017 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of DVD subscription members (over) | member	2,000,000								2,000,000
Number of streaming members (over) | member	167								167
Number of countries (over) | country	190								190
Operating lease right-of-use assets	$ 1,532,000								$ 1,532,000
Operating lease liabilities	1,613,234								$ 1,613,234
Cumulative Effect Adjustment of ASU												$ 2,474	$ 43,585
Content assets amortization period cap									10 years
Average produced content asset amortization percentage (over)									90.00%
Average produced content asset amortization period									4 years
Revenues	5,467,434	$ 5,244,905	$ 4,923,116	$ 4,520,992	$ 4,186,841	$ 3,999,374	$ 3,907,270	$ 3,700,856	$ 20,156,447	$ 15,794,341	$ 11,692,713
Deferred revenue	$ 924,745				$ 760,899				924,745	760,899
Increase in deferred revenue									163,846	142,277	177,974
Advertising expense									1,879,000	1,808,000	1,091,000
Technology and development									1,673,000	1,218,000	981,000
Foreign currency remeasurement loss (gain) on long-term debt									(45,576)	(73,953)	140,790
Interest and Other Income (Expense)
Organization And Summary Of Significant Accounting Policies [Line Items]
Foreign currency remeasurement loss (gain) on long-term debt									$ (7,000)	1,000	128,000
Maximum
Organization And Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life									30 years
ASU 2016-02
Organization And Summary Of Significant Accounting Policies [Line Items]
Operating lease right-of-use assets												743,000
Operating lease liabilities												813,000
Retained Earnings
Organization And Summary Of Significant Accounting Policies [Line Items]
Cumulative Effect Adjustment of ASU												2,474	$ 43,585
Retained Earnings | ASU 2016-02
Organization And Summary Of Significant Accounting Policies [Line Items]
Cumulative Effect Adjustment of ASU												$ 2,000
United States
Organization And Summary Of Significant Accounting Policies [Line Items]
Revenues									$ 9,500,000	8,000,000	6,600,000
DVD
Organization And Summary Of Significant Accounting Policies [Line Items]
Revenues									$ 300,000	$ 400,000	$ 500,000