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Summary of Significant Accounting Policies (Details 6) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Mar. 31, 2002
Dec. 31, 2012
item
Dec. 31, 2011
Goodwill and Other Long-Lived Assets          
Goodwill impairment $ 11,427 $ 208,166 $ 131,300 $ 219,593  
Long-Lived and Identifiable Intangible Assets          
Minimum number of impairment indicators that should exist to assess recoverability by undiscounted future operating cash flows       1  
Useful life       10 years 3 months 18 days 10 years 3 months 18 days
Minimum
         
Long-Lived and Identifiable Intangible Assets          
Useful life       3 years  
Maximum
         
Long-Lived and Identifiable Intangible Assets          
Useful life       15 years  
Television
         
Goodwill and Other Long-Lived Assets          
Percentage by which fair value exceeded carrying value of reporting unit 13.00%     13.00% 33.00%
Online
         
Goodwill and Other Long-Lived Assets          
Percentage by which fair value exceeded carrying value of reporting unit         6.00%
Goodwill impairment   $ 11,400   $ 219,593  
Source Ecreative
         
Goodwill and Other Long-Lived Assets          
Percentage by which fair value exceeded carrying value of reporting unit 977.00%     977.00%