Organization and Summary of Significant Accounting Policies (Narrative) (Details) $ in Thousands, member in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) member country	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
Number of streaming members (over) | member	204
Number of countries (over) | country	190
Content assets amortization period cap	10 years
Average produced content asset amortization percentage (over)	90.00%
Average produced content asset amortization period	4 years
Advertising expense	$ 1,447,000	$ 1,879,000	$ 1,808,000
Research and development expense	1,984,000	1,673,000	1,218,000
Foreign currency remeasurement gain (loss)	(533,278)	45,576	73,953
Interest and Other Income (Expense)
Organization And Summary Of Significant Accounting Policies [Line Items]
Foreign currency remeasurement gain (loss)	$ (660,000)	$ 7,000	$ (1,000)
Maximum
Organization And Summary Of Significant Accounting Policies [Line Items]
Property and equipment estimated useful life	30 years