Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Goodwill and Intangible Assets
Indefinite-lived intangible assets	$ 344,075	$ 344,075
Goodwill and Intangible Assets
Accumulated Amortization	(238)	(23,224)
Net Carrying Value	123
Intangible assets, gross	344,436	368,436
Total intangible assets, net	$ 344,198	$ 345,212
Licensing Agreements
Goodwill and Intangible Assets
Weighted-Average Remaining Amortization Period (Years)	5 years 6 months	6 months
Gross Carrying Value	$ 361	$ 24,361
Accumulated Amortization	(238)	(23,224)
Net Carrying Value	$ 123	$ 1,137