Goodwill and Intangible Assets - Indefinite Lived Net Balance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Changes in other indefinite-lived intangible assets
Impairment	$ 0	$ 0
Changes in the goodwill
Net balance at the beginning of the period	169,994
Net balance at the end of the period	167,322	169,994
Changes in the goodwill and other indefinite lived intangible assets, on a net basis
Net balance at the beginning of the period	228,036	222,929
Additions	(2,672)	5,107
Impairment	0	0
Net balance at the end of the period	225,364	228,036
Broadcast license
Changes in other indefinite-lived intangible assets
Net balance at the beginning of the period	41,356	41,356
Additions	0	0
Impairment	0	0
Net balance at the end of the period	41,356	41,356
Changes in the goodwill and other indefinite lived intangible assets, on a net basis
Impairment	0	0
Goodwill
Changes in the goodwill
Net balance at the beginning of the period	169,994	164,887
Additions	(2,672)	(5,107)
Impairment	0	0
Net balance at the end of the period	167,322	169,994
Brands
Changes in other indefinite-lived intangible assets
Net balance at the beginning of the period	15,986	15,986
Additions	0	0
Impairment	0	0
Net balance at the end of the period	15,986	15,986
Changes in the goodwill and other indefinite lived intangible assets, on a net basis
Impairment	0	0
Other intangibles
Changes in other indefinite-lived intangible assets
Net balance at the beginning of the period	700	700
Additions	0	0
Impairment	0	0
Net balance at the end of the period	700	700
Changes in the goodwill and other indefinite lived intangible assets, on a net basis
Impairment	$ 0	$ 0