Broadcast Licenses, Goodwill and Other Intangible Assets (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Indefinite-lived Intangible Assets [Line Items]
Goodwill, Beginning Balance	$ 18,839
Goodwill, Ending Balance	18,963	$ 18,839
Continuing Operations [Member]
Indefinite-lived Intangible Assets [Line Items]
Goodwill, Beginning Balance	18,839	15,558
Acquisitions	124	3,281
Goodwill, Ending Balance	$ 18,963	$ 18,839