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Summary of Significant Accounting Policies - Narrative (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Television network affiliation relationships
Dec. 31, 2013
Customer lists and other intangible assets
Dec. 31, 2013
Licensing agreements
Maximum
Dec. 31, 2013
Operating revenue
Marketing services, including advertising
Summary of Significant Accounting Policies [Line Items]            
Concentration Risk, Percentage           75.00%
FCC license term         8 years  
Estimated useful life     20 years 20 years    
Estimated liabilities for unpaid claims $ 16.3 $ 21.2