Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

v2.4.0.8
Income Taxes (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Common Stock [Member]
Liberty Media [Member]
Dec. 31, 2014
Scenario, Forecast [Member]
Related Party Transaction [Line Items]            
Income tax expense $ 89,044 $ 61,158 $ 252,614 $ 216,857    
Effective income tax percentage     41.90%     39.10%
Valuation allowance $ 7,699   $ 7,699      
Related party ownership percentage (greater than 50%)         50.00%