Goodwill and Intangible Assets - Other Amortizable Intangible (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Changes in other amortizable intangible assets
Net balance at the beginning of the period	$ 98,424
Additions	174
Amortization	(6,418)	$ (1,600)
Net balance at the end of the period	92,180
Affiliate and customer relationships
Changes in other amortizable intangible assets
Net balance at the beginning of the period	50,681
Amortization	(4,189)
Net balance at the end of the period	46,492
Programming rights
Changes in other amortizable intangible assets
Net balance at the beginning of the period	24,981
Amortization	(1,614)
Net balance at the end of the period	23,367
Brands
Changes in other amortizable intangible assets
Net balance at the beginning of the period	22,762
Additions	174
Amortization	(615)
Net balance at the end of the period	$ 22,321