Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.0.8
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Income Tax Disclosure [Abstract]        
Income tax (expense) benefit $ (76,659) $ 2,996,549 $ (155,699) $ 2,993,747
Estimated annual effective tax rate     38.20%  
Valuation allowance $ 9,835   $ 9,835  
Common Stock [Member] | Liberty Media [Member]
       
Related Party Transaction [Line Items]        
Related party ownership percentage (greater than 50%) 50.00%   50.00%