Segment Information - Schedule of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Information regarding business segments
Total operating revenues	$ 227,817	$ 198,134	$ 437,315	$ 321,157
Defined benefit pension plan expense	(3,449)	(4,120)	(6,899)	(6,806)
Acquisition and related integration costs	0	(29,973)	(578)	(32,747)
Depreciation and amortization of intangibles	(14,786)	(13,366)	(29,197)	(21,661)
Losses, net on disposal of property and equipment	(22)	(215)	(18)	(379)
Interest expense	(4,432)	(4,225)	(9,011)	(6,277)
Miscellaneous, net	(458)	387	(649)	(1,049)
Income (loss) from continuing operations before income taxes	18,420	(19,494)	22,513	(32,632)
Depreciation:
Total depreciation	8,928	8,604	17,584	14,791
Amortization of intangibles:
Total amortization of intangibles	5,858	4,762	11,613	6,870
Additions to property and equipment:
Total additions to property and equipment	6,907	6,466	10,328	8,771
Television
Information regarding business segments
Total operating revenues	191,745	167,394	371,649	281,612
Segment profit (loss)	53,298	44,596	94,985	66,650
Depreciation:
Total depreciation	7,932	7,238	15,397	12,624
Amortization of intangibles:
Total amortization of intangibles	4,240	4,262	8,479	6,150
Additions to property and equipment:
Total additions to property and equipment	6,519	5,802	9,630	7,743
Radio
Information regarding business segments
Total operating revenues	18,183	19,413	32,786	19,413
Segment profit (loss)	3,903	4,908	6,046	4,908
Depreciation:
Total depreciation	543	549	1,080	549
Amortization of intangibles:
Total amortization of intangibles	265	280	530	280
Additions to property and equipment:
Total additions to property and equipment	83	16	316	16
Digital
Information regarding business segments
Total operating revenues	15,207	8,602	27,533	14,837
Segment profit (loss)	(4,715)	(4,917)	(7,848)	(9,571)
Depreciation:
Total depreciation	54	132	108	262
Amortization of intangibles:
Total amortization of intangibles	1,014	220	1,927	440
Additions to property and equipment:
Total additions to property and equipment	13	0	17	0
Syndication and other
Information regarding business segments
Total operating revenues	2,682	2,725	5,347	5,295
Segment profit (loss)	(1,045)	(1,062)	(152)	(657)
Depreciation:
Total depreciation	65	66	129	129
Additions to property and equipment:
Total additions to property and equipment	26	15	41	69
Shared services and corporate
Information regarding business segments
Segment profit (loss)	(9,874)	(11,507)	(24,166)	(25,043)
Depreciation:
Total depreciation	334	619	870	1,227
Amortization of intangibles:
Total amortization of intangibles	339	0	677	0
Additions to property and equipment:
Total additions to property and equipment	$ 266	$ 633	$ 324	$ 943