Content Assets - Schedule of Amortization of Content Assets (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Capitalized Content Costs [Abstract]
Licensed content		$ 15,855	$ 6,059	$ 25,471	$ 12,182
Produced content		2,420		2,622
Total amortization costs	[1]	$ 18,275	$ 6,059	$ 28,093	$ 12,182

[1] Included in Cost of revenue, platform in the condensed consolidated statements of operations.