Content Assets - Schedule of Content Assets, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Content Assets [Line Items]
Total licensed and produced content, net	$ 169,296	$ 7,907
Licensed content, net
Content Assets [Line Items]
Content assets	145,021	$ 7,907
Product content released, less amortization
Content Assets [Line Items]
Content assets	19,963
Product content completed, not released
Content Assets [Line Items]
Content assets	2,422
Produced content, in production
Content Assets [Line Items]
Content assets	1,890
Goods
Content Assets [Line Items]
Content assets	$ 24,275