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 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Common Stock [Member]
Liberty Media [Member]
Dec. 31, 2014
Scenario, Forecast [Member]
Related Party Transaction [Line Items]        
Income tax expense $ 76,748 $ 79,040    
Effective income tax percentage 45.00%     39.00%
Valuation allowance $ 7,699      
Related party ownership percentage (greater than 50%)     50.00%