Consolidated Statements of Operations - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue (less agency commissions)	$ 597,356,000	$ 508,134,000	$ 346,298,000
Operating expenses before depreciation, amortization, and loss on disposals of assets, net:
Broadcast	374,182,000	285,990,000	217,411,000
Corporate and administrative	34,343,000	29,203,000	19,810,000
Depreciation	36,712,000	30,248,000	24,096,000
Amortization of intangible assets	11,982,000	8,297,000	336,000
Loss on disposals of assets, net	80,000	623,000	765,000
Operating expenses	457,299,000	354,361,000	262,418,000
Operating income	140,057,000	153,773,000	83,880,000
Other income (expense):
Miscellaneous income, net	103,000	23,000	0
Interest expense	(74,411,000)	(68,913,000)	(52,445,000)
Loss from early extinguishment of debt	0	(5,086,000)	0
Income before income taxes	65,749,000	79,797,000	31,435,000
Income tax expense	26,448,000	31,736,000	13,147,000
Net trade income (loss)	$ 39,301,000	$ 48,061,000	$ 18,288,000
Basic per share information:
Net income (in dollars per share)	$ 0.58	$ 0.83	$ 0.32
Weighted-average shares outstanding – basic (in shares)	68,330	57,862	57,630
Diluted per share information:
Net income (in dollars per share)	$ 0.57	$ 0.82	$ 0.32
Weighted average shares outstanding (in shares)	68,987	58,364	57,972
Dividends declared per common share (in dollars per share)	$ 0	$ 0	$ 0