Broadcast Licenses, Goodwill and Other Intangible Assets (Details 3) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 13,515	$ 13,117
Accumulated Amortization	11,956	11,314
Net Amount	1,559	1,803
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,744	1,346
Accumulated Amortization	747	177
Net Amount	997	1,169
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,861	3,861
Accumulated Amortization	3,861	3,861
Net Amount	0	0
Favorable Lease Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,990	5,990
Accumulated Amortization	5,666	5,638
Net Amount	324	352
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,920	1,920
Accumulated Amortization	1,682	1,638
Net Amount	$ 238	$ 282