Quarterly Results of Operations (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Results of Operations [Line Items)
Net operating revenue	$ 33,760	$ 32,929	$ 33,832	$ 28,957	$ 35,541	$ 32,409	$ 32,986	$ 29,323	$ 129,478	$ 130,259	$ 125,273
Station operating expenses	23,798	23,598	23,493	22,088	23,590	22,379	21,959	22,360	92,977	90,288	90,929
Corporate G&A	2,191	2,051	1,982	1,948	2,161	1,910	1,940	1,949	8,172	7,960	7,590
Impairment of intangible assets	2,033	0	0	0	0	0	0	0	2,033	0	0
Operating income from continuing operation	5,738	7,280	8,357	4,921	9,790	8,120	9,087	5,014	26,296	32,011	26,754
Other (income) expenses:
Interest expense	282	308	357	358	366	381	458	528	1,305	1,733	3,420
Other	2	(144)	66	25	144	145	(8)	(2)	(106)	279	519
Income from continuing operations before tax	5,454	7,116	7,934	4,538	9,280	7,594	8,637	4,488	25,042	29,999	21,489
Income tax provision	2,230	2,820	3,130	1,812	3,489	3,227	3,438	1,785	9,992	11,939	8,604
Income from continuing operations, net of tax	3,224	4,296	4,804	2,726	5,791	4,367	5,199	2,703	15,050	18,060	12,885
Income (loss) from discontinued operations, net of tax	0	0	0	223	(31)	(39)	(67)	2	223	(135)	(254)
Net income	$ 3,224	$ 4,296	$ 4,804	$ 2,949	$ 5,760	$ 4,328	$ 5,132	$ 2,705	$ 15,273	$ 17,925	$ 12,631
Basic earnings (loss) per share:
From continuing operations	$ 0.56	$ 0.76	$ 0.85	$ 0.48	$ 1.02	$ 0.77	$ 0.92	$ 0.48	$ 2.62	$ 3.19	$ 2.28
From discontinued operations	$ 0	$ 0	$ 0	$ 0.04	$ 0	$ (0.01)	$ (0.01)	$ 0	$ 0.04	$ (0.02)	$ (0.04)
Earnings per share	$ 0.56	$ 0.76	$ 0.85	$ 0.52	$ 1.02	$ 0.76	$ 0.91	$ 0.48	$ 2.66	$ 3.17	$ 2.24
Weighted average common shares	5,686	5,686	5,683	5,673	5,663	5,661	5,661	5,658	5,681	5,659	5,651
Diluted earnings (loss) per share:
From continuing operations	$ 0.56	$ 0.75	$ 0.84	$ 0.47	$ 1.02	$ 0.77	$ 0.92	$ 0.48	$ 2.60	$ 3.18	$ 2.28
From discontinued operations	$ 0	$ 0	$ 0	$ 0.04	$ (0.01)	$ (0.01)	$ (0.01)	$ 0	$ 0.04	$ (0.02)	$ (0.05)
Diluted earnings per share	$ 0.56	$ 0.75	$ 0.84	$ 0.51	$ 1.01	$ 0.76	$ 0.91	$ 0.48	$ 2.64	$ 3.16	$ 2.23
Weighted average common and common equivalent shares	5,751	5,754	5,745	5,738	5,692	5,670	5,663	5,678	5,745	5,672	5,656