Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue (less agency commissions)	$ 218,977	$ 204,490	$ 649,119	$ 574,846
Operating expenses before depreciation, amortization and loss (gain) on disposal of assets, net:
Broadcast	139,430	120,717	406,446	346,620
Corporate and administrative	8,318	7,223	24,436	31,425
Depreciation	13,085	11,494	38,555	34,237
Amortization of intangible assets	6,460	4,235	18,684	12,365
Loss (gain) on disposal of assets, net	1,660	354	(75,139)	(66)
Operating expenses	168,953	144,023	412,982	424,581
Operating income	50,024	60,467	236,137	150,265
Other income (expense):
Miscellaneous income, net	28	30	36	740
Interest expense	(24,207)	(27,926)	(71,189)	(73,470)
Loss from early extinguishment of debt		(31,987)	(2,851)	(31,987)
Income before income taxes	25,845	584	162,133	45,548
Income tax expense	10,529	797	65,751	19,109
Net income (loss)	$ 15,316	$ (213)	$ 96,382	$ 26,439
Basic per share information:
Net income (loss) (in dollars per share)	$ 0.21		$ 1.34	$ 0.37
Weighted-average shares outstanding (in shares)	71,636	71,879	71,777	71,850
Diluted per share information:
Net income (loss) (in dollars per share)	$ 0.21		$ 1.33	$ 0.36
Weighted-average shares outstanding (in shares)	72,454	71,879	72,491	72,723
Dividends declared per common share (in dollars per share)