Segment Information - Schedule of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended										12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment operating revenues:
Total operating revenues	$ 204,808			$ 150,626	$ 189,691	$ 198,134	$ 123,023	$ 123,126	$ 119,696	$ 105,304	$ 715,656	$ 498,752	$ 432,357
Segment profit (loss):
Defined benefit pension plan expense											(58,674)	(5,671)	(8,110)
Acquisition and related integration costs											(37,988)	(9,708)	0
Depreciation and amortization of intangibles	(14,018)			(8,549)	(16,273)	(13,366)	(8,295)	(8,706)	(7,438)	(7,487)	(51,952)	(32,180)	(30,522)
Asset impairment charges		$ (24,613)									(24,613)	0	0
(Losses) gains, net on disposal of property, plant and equipment	96			(59)	(200)	(215)	(164)	2,979	(13)	(35)	(483)	2,872	(296)
Interest expense	(4,576)			(2,149)	(4,246)	(4,225)	(2,052)	(2,050)	(2,041)	(2,254)	(15,099)	(8,494)	(10,437)
Miscellaneous, net	(1,433)			(7,483)	1,061	387	$ (1,436)	170	(237)	(143)	(1,421)	(7,693)	(11,350)
Income (loss) before income taxes	(38,218)		$ (13,138)	16,627	$ (28,542)	$ (19,494)		$ 3,798	$ (4,427)	$ (6,652)	(99,392)	9,346	(21,992)
Depreciation:
Total depreciation											34,178	24,168	24,144
Amortization of intangibles:
Total amortization of intangibles											17,774	8,012	6,378
Additions to property, plant and equipment:
Total additions to property, plant and equipment											25,305	16,300	16,690
Assets
Total assets	1,680,860			1,031,104							1,680,860	1,031,104	966,130
Continuing Operations
Assets
Total assets	1,680,860			811,696							1,680,860	811,696	727,237
Discontinued Operations
Assets
Total assets	0			219,408							0	219,408	238,893
Television
Segment operating revenues:
Total operating revenues											609,551	466,965	405,941
Segment profit (loss):
Segment profit (loss)											139,797	136,319	98,562
Depreciation:
Total depreciation											29,685	21,676	22,561
Amortization of intangibles:
Total amortization of intangibles											14,607	7,092	6,378
Additions to property, plant and equipment:
Total additions to property, plant and equipment											20,988	13,039	12,595
Assets
Total assets	1,251,733			509,652							1,251,733	509,652	410,092
Radio
Segment operating revenues:
Total operating revenues											58,881	0	0
Segment profit (loss):
Segment profit (loss)											12,837	0	0
Depreciation:
Total depreciation											1,366	0	0
Amortization of intangibles:
Total amortization of intangibles											795	0	0
Additions to property, plant and equipment:
Total additions to property, plant and equipment											2,317	0	0
Assets
Total assets	147,579			0							147,579	0	0
Digital
Segment operating revenues:
Total operating revenues											38,928	22,881	17,131
Segment profit (loss):
Gross Profit											(17,103)	(22,828)	(18,716)
Depreciation:
Total depreciation											525	413	29
Additions to property, plant and equipment:
Total additions to property, plant and equipment											66	208	0
Assets
Total assets	103,432			41,034							103,432	41,034	0
Syndication and other
Segment operating revenues:
Total operating revenues											8,296	8,906	9,285
Segment profit (loss):
Segment profit (loss)											(1,074)	(1,499)	11
Depreciation:
Total depreciation											258	119	78
Amortization of intangibles:
Total amortization of intangibles											2,034	920	0
Additions to property, plant and equipment:
Total additions to property, plant and equipment											83	1,127	0
Assets
Total assets	7,794			3,101							7,794	3,101	2,017
Shared services and corporate [Member]
Segment profit (loss):
Segment profit (loss)											(43,619)	(41,772)	(41,134)
Depreciation:
Total depreciation											2,344	1,960	1,476
Amortization of intangibles:
Total amortization of intangibles											338	0	0
Additions to property, plant and equipment:
Total additions to property, plant and equipment											1,851	1,926	4,095
Assets
Total assets	$ 170,322			$ 257,909							$ 170,322	$ 257,909	$ 315,128