Investments - LIN Television (Details) (USD $)	6 Months Ended			0 Months Ended	1 Months Ended		0 Months Ended
	Jun. 30, 2013	Jun. 30, 2013 LIN Television	Dec. 31, 2012 SVH	Feb. 12, 2013 SVH LIN Television of Texas Transaction agreement	Feb. 28, 2013 SVH LIN Television	Dec. 31, 2012 SVH LIN Television	Feb. 12, 2013 SVH LIN Television Transaction agreement	Feb. 12, 2013 SVO	Dec. 31, 2012 SVO	Feb. 12, 2013 SVO LIN Television	Dec. 31, 2012 SVO LIN Television
Statement
Ownership percentage			20.38%	20.38%		20.38%		99.75%	99.75%	99.75%	99.75%
Capital contribution made by the entity	$ 100,000,000	$ 100,000,000			$ 100,000,000		$ 100,000,000
Ownership interest sold (as a percent)				20.38%
Proceeds from sale of equity interest				$ 1.00