Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details Textual 1)

v2.4.0.8
Related Party Transactions (Details Textual 1) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Jun. 30, 2014
Liberty Media [Member]
directors
Jun. 30, 2014
Sirius XM Canada [Member]
Dec. 31, 2013
Sirius XM Canada [Member]
Jun. 30, 2014
M-Way Solutions GmbH [Member]
Jun. 30, 2014
Common Stock [Member]
Liberty Media [Member]
Related Party Transaction [Line Items]          
Related party ownership percentage (greater than 50%)         50.00%
Number of Related Party Members on the Board of Directors 3        
Sirius XM Canada shares owned (in shares)   47,300,000      
Equity method investment, ownership percentage   37.00%      
Voting interest   25.00%      
Investment balance, carrying value   $ 0 $ 26,972 $ 0  
Loss recognized for other than temporary decline in fair value of investments       $ 2,342