Acquisitions - Narrative (Details) (USD $)	6 Months Ended			0 Months Ended		0 Months Ended				0 Months Ended
	Jun. 30, 2014 television_station	Jan. 02, 2014	Dec. 31, 2013	Jan. 02, 2014 Customer relationships	Jan. 02, 2014 Other intangible assets	Jan. 02, 2014 Media Convergence Group (Newsy)	Jun. 16, 2014 Detroit MyNetworkTV affiliate and Buffalo ABC affiliate television_station	Jun. 16, 2014 Detroit MyNetworkTV affiliate and Buffalo ABC affiliate Retransmission agreements, television network affiliate relationships and advertiser relationships	Jun. 16, 2014 Detroit MyNetworkTV affiliate and Buffalo ABC affiliate FCC licenses	Jun. 16, 2014 Minimum Detroit MyNetworkTV affiliate and Buffalo ABC affiliate Retransmission agreements, television network affiliate relationships and advertiser relationships	Jun. 16, 2014 Maximum Detroit MyNetworkTV affiliate and Buffalo ABC affiliate Retransmission agreements, television network affiliate relationships and advertiser relationships
Acquisitions (Textual) [Abstract]
Number of stations acquired	2						2
Acquisition cost in cash						$ 35,000,000	$ 110,000,000
Intangible assets		5,900,000		4,100,000	1,800,000	5,900,000	49,200,000	28,000,000	21,000,000
Intangible asset, estimated amortization period				5 years						10 years	20 years
Goodwill	105,571,000		27,966,000			28,938,000	48,667,000
Working capital adjustment						$ 200,000