Segment Information - Schedule of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Information regarding business segments
Total operating revenues	$ 189,691	$ 123,126	$ 510,848	$ 348,126
Defined benefit pension plan expense	(2,976)	(1,613)	(9,782)	(4,253)
Acquisition and related integration costs	(4,206)	(2,783)	(36,953)	(6,984)
Depreciation and amortization of intangibles	(16,273)	(8,706)	(37,934)	(23,631)
Impairment of goodwill and intangibles	(24,613)	0	(24,613)	0
(Losses) gains, net on disposal of property, plant and equipment	(200)	2,979	(579)	2,931
Interest expense	(4,246)	(2,050)	(10,523)	(6,345)
Miscellaneous, net	1,061	170	12	(210)
(Loss) income from continuing operations before income taxes	(28,542)	3,798	(61,174)	(7,281)
Depreciation:
Total depreciation	11,092	6,528	25,883	17,846
Amortization of intangibles:
Total amortization of intangibles	5,181	2,178	12,051	5,785
Additions to property, plant and equipment:
Total additions to property, plant and equipment	6,473	4,655	15,244	11,951
Television
Information regarding business segments
Total operating revenues	157,437	116,425	439,049	325,511
Segment profit (loss)	31,707	30,508	98,357	80,344
Depreciation:
Total depreciation	9,765	5,894	22,389	16,033
Amortization of intangibles:
Total amortization of intangibles	4,262	1,909	10,412	5,108
Additions to property, plant and equipment:
Total additions to property, plant and equipment	5,607	4,100	13,350	10,540
Radio
Information regarding business segments
Total operating revenues	20,421	0	39,834	0
Segment profit (loss)	4,073	0	8,981	0
Depreciation:
Total depreciation	554	0	1,103	0
Amortization of intangibles:
Total amortization of intangibles	280	0	560	0
Additions to property, plant and equipment:
Total additions to property, plant and equipment	623	0	639	0
Digital
Information regarding business segments
Total operating revenues	10,861	5,355	25,698	16,036
Segment profit (loss)	(3,639)	(6,206)	(13,210)	(17,477)
Depreciation:
Total depreciation	132	96	394	275
Amortization of intangibles:
Total amortization of intangibles	639	269	1,079	677
Additions to property, plant and equipment:
Total additions to property, plant and equipment	46	46	46	108
Syndication and other
Information regarding business segments
Total operating revenues	972	1,346	6,267	6,579
Segment profit (loss)	(572)	(674)	(1,229)	(1,230)
Depreciation:
Total depreciation	66	40	195	80
Additions to property, plant and equipment:
Total additions to property, plant and equipment	7	256	76	324
Shared services and corporate
Information regarding business segments
Segment profit (loss)	(8,658)	(7,827)	(33,701)	(30,426)
Depreciation:
Total depreciation	575	498	1,802	1,458
Additions to property, plant and equipment:
Total additions to property, plant and equipment	$ 190	$ 253	$ 1,133	$ 979