Broadcast Licenses, Goodwill and Other Intangible Assets (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Indefinite-lived Intangible Assets [Line Items]
Balance	$ 2,874	$ 326
Acquisitions	4,533	2,548
Balance	7,407	2,874
Radio [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance	2,874	326
Acquisitions	4,533	2,548
Balance	7,407	2,874
Television [Member]
Indefinite-lived Intangible Assets [Line Items]
Balance	0	0
Acquisitions	0	0
Balance	$ 0	$ 0