Segment Information - Schedule of Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Information regarding business segments
Total operating revenues	$ 211,001	$ 209,498
Segment profit (loss)	1,489	12,313
Acquisition and related integration costs	0	(578)
Depreciation and amortization of intangibles	(14,724)	(14,411)
(Losses) gains, net on disposal of property and equipment	(87)	4
Interest expense	(4,195)	(4,579)
Defined benefit pension plan expense	(3,467)	(3,450)
Miscellaneous, net	(879)	(191)
(Loss) income from operations before income taxes	(7,052)	4,093
Depreciation:
Total depreciation	8,989	8,656
Amortization of intangibles:
Total amortization of intangibles	5,735	5,755
Additions to property and equipment:
Total additions to property and equipment	4,244	3,421
Television
Information regarding business segments
Total operating revenues	179,798	179,904
Segment profit (loss)	34,715	41,687
Depreciation:
Total depreciation	7,826	7,465
Amortization of intangibles:
Total amortization of intangibles	3,873	4,239
Additions to property and equipment:
Total additions to property and equipment	3,947	3,111
Radio
Information regarding business segments
Total operating revenues	13,996	14,603
Segment profit (loss)	1,608	2,143
Depreciation:
Total depreciation	598	537
Amortization of intangibles:
Total amortization of intangibles	265	265
Additions to property and equipment:
Total additions to property and equipment	187	233
Digital
Information regarding business segments
Total operating revenues	15,357	12,326
Segment profit (loss)	(6,177)	(3,133)
Depreciation:
Total depreciation	16	54
Amortization of intangibles:
Total amortization of intangibles	1,259	913
Additions to property and equipment:
Total additions to property and equipment	11	4
Syndication and other
Information regarding business segments
Total operating revenues	1,850	2,665
Segment profit (loss)	318	893
Depreciation:
Total depreciation	67	64
Additions to property and equipment:
Total additions to property and equipment	0	15
Shared services and corporate
Information regarding business segments
Segment profit (loss)	(14,164)	(14,292)
Depreciation:
Total depreciation	482	536
Amortization of intangibles:
Total amortization of intangibles	338	338
Additions to property and equipment:
Total additions to property and equipment	$ 99	$ 58