Balance Sheet Components - Components of Content Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Content assets, net	$ 25,155,117		$ 25,155,117		$ 24,504,567
Amortization of content assets	2,607,159	$ 2,231,915	5,090,544	$ 4,356,601
Licensed content, net
Finite-Lived Intangible Assets [Line Items]
Net content	14,632,723		14,632,723		14,703,352
Unamortized cost in year one	5,776,000		5,776,000
Unamortized cost in year two	3,756,000		3,756,000
Unamortized cost in year three	2,410,000		2,410,000
Amortization of content assets	1,883,070	1,797,179	3,743,240	3,571,468
Produced content, net
Finite-Lived Intangible Assets [Line Items]
Net content	5,034,139		5,034,139		4,382,685
In production	4,717,598		4,717,598		4,750,664
In development and pre-production	770,657		770,657		667,866
Content assets, net	10,522,394		10,522,394		$ 9,801,215
Unamortized cost in year one	1,813,000		1,813,000
Unamortized cost in year two	1,395,000		1,395,000
Unamortized cost in year three	1,012,000		1,012,000
Amortization of content assets	$ 724,089	$ 434,736	$ 1,347,304	$ 785,133