Acquisitions and Dispositions (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Business Acquisition [Line Items]
Net operating revenue	$ 36,119	$ 33,831	$ 105,302	$ 97,250
Station operating expense	25,459	24,324	75,564	71,400
Corporate general and administrative	2,728	2,577	8,065	7,642
Other operating expense	1,393	(433)	1,385	(447)
Operating income (loss)	9,325	6,497	23,058	17,761
Nonrecurring Adjustment [Member]
Business Acquisition [Line Items]
Net operating revenue	36,119	35,510	105,302	103,271
Station operating expense	25,459	25,607	75,579	76,032
Corporate general and administrative	2,728	2,577	8,065	7,642
Other operating expense	(1,393)	433	(1,385)	447
Operating income (loss)	9,325	6,893	23,043	19,150
Radio [Member]
Business Acquisition [Line Items]
Net operating revenue	29,878	28,536	88,208	81,829
Station operating expense	21,775	20,825	64,757	61,066
Corporate general and administrative	0	0	0	0
Other operating expense	(1,393)	400	(1,388)	414
Operating income (loss)	9,496	7,311	24,839	20,349
Radio [Member] | Nonrecurring Adjustment [Member]
Business Acquisition [Line Items]
Net operating revenue	29,878	30,215	88,208	87,850
Station operating expense	21,775	22,108	64,772	65,698
Corporate general and administrative	0	0	0	0
Other operating expense	(1,393)	400	(1,388)	414
Operating income (loss)	9,496	7,707	24,824	21,738
Television [Member]
Business Acquisition [Line Items]
Net operating revenue	6,241	5,295	17,094	15,421
Station operating expense	3,684	3,499	10,807	10,334
Corporate general and administrative	0	0	0	0
Other operating expense	0	33	3	33
Operating income (loss)	2,557	1,763	6,284	5,054
Television [Member] | Nonrecurring Adjustment [Member]
Business Acquisition [Line Items]
Net operating revenue	6,241	5,295	17,094	15,421
Station operating expense	3,684	3,499	10,807	10,334
Corporate general and administrative	0	0	0	0
Other operating expense	0	33	3	33
Operating income (loss)	2,557	1,763	6,284	5,054
Corporate and Other [Member]
Business Acquisition [Line Items]
Net operating revenue	0	0	0	0
Station operating expense	0	0	0	0
Corporate general and administrative	2,728	2,577	8,065	7,642
Other operating expense	0	0	0	0
Operating income (loss)	(2,728)	(2,577)	(8,065)	(7,642)
Corporate and Other [Member] | Nonrecurring Adjustment [Member]
Business Acquisition [Line Items]
Net operating revenue	0	0	0	0
Station operating expense	0	0	0	0
Corporate general and administrative	2,728	2,577	8,065	7,642
Other operating expense	0	0	0	0
Operating income (loss)	(2,728)	(2,577)	(8,065)	(7,642)
Radio Broadcasting Segment [Member]
Business Acquisition [Line Items]
Net operating revenue	29,878	30,215	88,208	87,850
Station operating expense	21,775	22,108	64,772	65,698
Other operating expense	(1,393)	400	(1,388)	414
Operating income (loss)	9,496	7,707	24,824	21,738
Television Broadcasting Segment [Member]
Business Acquisition [Line Items]
Net operating revenue	6,241	5,295	17,094	15,421
Station operating expense	3,684	3,499	10,807	10,334
Other operating expense	0	33	3	33
Operating income (loss)	$ 2,557	$ 1,763	$ 6,284	$ 5,054