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 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Common Stock [Member]
Liberty Media [Member]
Dec. 31, 2014
Scenario, Forecast [Member]
Related Party Transaction [Line Items]            
Income tax expense $ 86,822 $ 76,659 $ 163,570 $ 155,699    
Effective income tax percentage     43.30%     39.00%
Valuation allowance $ 7,699   $ 7,699      
Related party ownership percentage (greater than 50%)         50.00%