Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenue (less agency commissions)	$ 196,633,000	$ 143,464,000	$ 370,356,000	$ 276,767,000
Operating expenses before depreciation, amortization and loss (gain) on disposal of assets, net:
Broadcast	117,335,000	86,445,000	225,903,000	173,292,000
Corporate and administrative	8,524,000	6,444,000	24,202,000	13,291,000
Depreciation	11,617,000	8,754,000	22,743,000	17,552,000
Amortization of intangible assets	4,242,000	2,731,000	8,130,000	5,502,000
Loss (gain) on disposals of assets, net	1,228,000	332,000	(420,000)	314,000
Operating expenses	142,946,000	104,706,000	280,558,000	209,951,000
Operating income	53,687,000	38,758,000	89,798,000	66,816,000
Other income (expense):
Miscellaneous income, net	141,000	67,000	710,000	74,000
Interest expense	(24,269,000)	(18,587,000)	(45,544,000)	(37,117,000)
Income before income taxes	29,559,000	20,238,000	44,964,000	29,773,000
Income tax expense	11,897,000	8,128,000	18,312,000	12,068,000
Net income	$ 17,662,000	$ 12,110,000	$ 26,652,000	$ 17,705,000
Basic per share information:
Net income (in dollars per share)	$ 0.25	$ 0.17	$ 0.37	$ 0.27
Weighted-average shares outstanding (in shares)	71,878	71,637	71,835	64,968
Diluted per share information:
Net income (in dollars per share)	$ 0.24	$ 0.17	$ 0.37	$ 0.27
Weighted-average shares outstanding (in shares)	72,748	72,270	72,665	65,529
Dividends declared per common share (in dollars per share)	$ 0	$ 0