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Related Party Transactions (Details Textual 2) (USD $)
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3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 6 Months Ended | 12 Months Ended | 0 Months Ended | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
Liberty Media [Member]
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Jun. 30, 2014
Liberty Media [Member]
|
Jun. 30, 2014
Sirius XM Canada [Member]
|
Jun. 30, 2013
Sirius XM Canada [Member]
|
Jun. 30, 2014
Sirius XM Canada [Member]
|
Jun. 30, 2013
Sirius XM Canada [Member]
|
Dec. 31, 2013
Sirius XM Canada [Member]
|
Jul. 31, 2008
Sirius XM Canada [Member]
|
Jun. 30, 2014
Common Stock [Member]
|
Dec. 31, 2013
October 2013 Share Repurchase Program [Member]
Common Stock [Member]
Liberty Media [Member]
|
Apr. 25, 2014
October 2013 Share Repurchase Program [Member]
Common Stock [Member]
Liberty Media [Member]
|
Oct. 09, 2013
October 2013 Share Repurchase Program [Member]
Common Stock [Member]
Liberty Media [Member]
|
Apr. 25, 2014
Amended October 2013 Share Repurchase Program [Member]
Common Stock [Member]
Liberty Media [Member]
|
Jun. 30, 2014
Related Party Current Liabilities [Member]
Liberty Media [Member]
|
Dec. 31, 2013
Related Party Current Liabilities [Member]
Liberty Media [Member]
|
Jun. 30, 2014
Related Party Current Liabilities [Member]
Level 2 [Member]
Liberty Media [Member]
|
Dec. 31, 2013
Related Party Current Liabilities [Member]
Level 2 [Member]
Liberty Media [Member]
|
Jun. 30, 2014
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
|
Jun. 30, 2013
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
|
Jun. 30, 2014
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
Liberty Media [Member]
|
Dec. 31, 2013
7% Exchangeable Senior Subordinated Notes due 2014 [Member]
Liberty Media [Member]
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|||||||
| Related Party Transaction [Line Items] | |||||||||||||||||||||||||||||||
| Interest rate on instrument | 7.00% | 7.00% | 7.00% | 7.00% | |||||||||||||||||||||||||||
| Stock repurchase program, authorized amount | $ 500,000,000 | ||||||||||||||||||||||||||||||
| Derivatives asset (liability), fair value | 0 | [1] | (15,702,000) | [1] | 0 | [1] | (15,702,000) | [1] | |||||||||||||||||||||||
| Stock repurchased and retired during period, value | 612,903,000 | 160,000,000 | 340,000,000 | ||||||||||||||||||||||||||||
| Share price (in dollars per share) | $ 3.66 | ||||||||||||||||||||||||||||||
| Loss on change in value of derivatives | (7,463,000) | 0 | (34,485,000) | 0 | (7,463,000) | (34,485,000) | |||||||||||||||||||||||||
| 7% Exchangeable Senior Subordinated Notes due 2014 | 11,000,000 | 11,000,000 | |||||||||||||||||||||||||||||
| Investment, equity method goodwill and intangible assets | 26,161,000 | ||||||||||||||||||||||||||||||
| Dividend received from unconsolidated entity investment | 8,554,000 | 13,217,000 | 30,010,000 | 3,730,000 | 34,455,000 | 7,482,000 | |||||||||||||||||||||||||
| Investment balance, carrying value | 0 | 0 | 26,972,000 | ||||||||||||||||||||||||||||
| Deferred Revenue, Related Party, Current | 2,776,000 | 2,776,000 | 2,776,000 | ||||||||||||||||||||||||||||
| Deferred Revenue, Related Party, Non Current | 14,802,000 | 14,802,000 | 16,190,000 | ||||||||||||||||||||||||||||
| Estimated fair value of deferred revenue from XM Canada | $ 34,000,000 | ||||||||||||||||||||||||||||||
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