Segment Information - Schedule of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Information regarding business segments
Total operating revenues	$ 233,040	$ 189,691	$ 670,355	$ 510,848
Segment profit (loss)	27,325	(25,357)	59,498	(50,663)
Defined benefit pension plan expense	(3,605)	(2,976)	(10,504)	(9,782)
Acquisition and related integration costs	0	(4,206)	(578)	(36,953)
Depreciation and amortization of intangibles	(14,892)	(16,273)	(44,089)	(37,934)
Impairment of goodwill and intangibles	0	24,613	0	24,613
Losses, net on disposal of property and equipment	(26)	(200)	(44)	(579)
Interest expense	(4,592)	(4,246)	(13,603)	(10,523)
Miscellaneous, net	(596)	1,061	(1,245)	12
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	22,137	(28,542)	44,650	(61,174)
Depreciation:
Total depreciation	8,407	11,092	25,991	25,883
Amortization of intangibles:
Total amortization of intangibles	6,485	5,181	18,098	12,051
Additions to property and equipment:
Total additions to property and equipment	7,997	6,473	18,325	15,244
Television
Information regarding business segments
Total operating revenues	197,283	157,437	568,932	439,049
Segment profit (loss)	58,305	31,707	153,290	98,357
Depreciation:
Total depreciation	7,120	9,765	22,517	22,389
Amortization of intangibles:
Total amortization of intangibles	4,239	4,262	12,718	10,412
Additions to property and equipment:
Total additions to property and equipment	6,618	5,607	16,248	13,350
Radio
Information regarding business segments
Total operating revenues	19,301	20,421	52,087	39,834
Segment profit (loss)	2,528	4,073	8,574	8,981
Depreciation:
Total depreciation	653	554	1,733	1,103
Amortization of intangibles:
Total amortization of intangibles	265	280	795	560
Additions to property and equipment:
Total additions to property and equipment	628	623	944	639
Digital
Information regarding business segments
Total operating revenues	15,754	10,861	43,287	25,698
Segment profit (loss)	(5,633)	(3,639)	(13,481)	(13,210)
Depreciation:
Total depreciation	40	132	148	394
Amortization of intangibles:
Total amortization of intangibles	1,643	639	3,570	1,079
Additions to property and equipment:
Total additions to property and equipment	34	46	51	46
Syndication and other
Information regarding business segments
Total operating revenues	702	972	6,049	6,267
Segment profit (loss)	(832)	(572)	(984)	(1,229)
Depreciation:
Total depreciation	67	66	196	195
Additions to property and equipment:
Total additions to property and equipment	74	7	115	76
Shared services and corporate
Information regarding business segments
Segment profit (loss)	(8,520)	(8,658)	(32,686)	(33,701)
Depreciation:
Total depreciation	527	575	1,397	1,802
Amortization of intangibles:
Total amortization of intangibles	338	0	1,015	0
Additions to property and equipment:
Total additions to property and equipment	$ 643	$ 190	$ 967	$ 1,133