Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Segment reporting information
Net operating revenue	$ 29,061us-gaap_SalesRevenueNet	$ 29,423us-gaap_SalesRevenueNet
Station operating expenses	22,765us-gaap_DirectOperatingCosts	22,947us-gaap_DirectOperatingCosts
Corporate general and administrative	2,482us-gaap_GeneralAndAdministrativeExpense	2,153us-gaap_GeneralAndAdministrativeExpense
Operating income (loss)	3,814us-gaap_OperatingIncomeLoss	4,323us-gaap_OperatingIncomeLoss
Depreciation and amortization	1,589us-gaap_DepreciationAndAmortization	1,645us-gaap_DepreciationAndAmortization
Total assets	195,548us-gaap_Assets	197,156us-gaap_Assets	192,044us-gaap_Assets
Radio [Member]
Segment reporting information
Net operating revenue	24,276	24,925
Station operating expenses	19,422	19,739
Corporate general and administrative	0	0
Operating income (loss)	4,854	5,186
Depreciation and amortization	1,174	1,230
Total assets	139,354	143,313
Television [Member]
Segment reporting information
Net operating revenue	4,785	4,498
Station operating expenses	3,343	3,208
Corporate general and administrative	0	0
Operating income (loss)	1,442	1,290
Depreciation and amortization	347	345
Total assets	22,665	22,684
Corporate and Other [Member]
Segment reporting information
Net operating revenue	0	0
Station operating expenses	0	0
Corporate general and administrative	2,482	2,153
Operating income (loss)	(2,482)	(2,153)
Depreciation and amortization	68	70
Total assets	$ 33,529	$ 31,159

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