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Stockholders' Equity (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified |
1 Months Ended | 3 Months Ended | 6 Months Ended | 6 Months Ended | 1 Months Ended | 1 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
Series B Preferred Stock [Member]
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Dec. 31, 2012
Series B Preferred Stock [Member]
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Jun. 30, 2013
Common Stock [Member]
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Jan. 31, 2013
Liberty Media [Member]
Series B Preferred Stock [Member]
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Sep. 30, 2012
Liberty Media [Member]
Series B Preferred Stock [Member]
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Mar. 31, 2009
Liberty Media [Member]
Series B Preferred Stock [Member]
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Jan. 31, 2013
Liberty Media [Member]
Common Stock [Member]
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Sep. 30, 2012
Liberty Media [Member]
Common Stock [Member]
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| Additional Stockholder's Equity (Textual) [Abstract] | |||||||||||||
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 | $ 0.001 | ||||||||||
| Common stock, shares authorized | 9,000,000,000 | 9,000,000,000 | 9,000,000,000 | ||||||||||
| Common stock, shares issued | 5,262,440,085 | 6,257,721,498 | 6,257,721,498 | ||||||||||
| Common stock, shares outstanding | 5,262,440,085 | 6,247,221,498 | 6,247,221,498 | ||||||||||
| Common stock reserved for issuance | 558,569,000 | 558,569,000 | |||||||||||
| Stock repurchase program, authorized amount | $ 2,000,000 | ||||||||||||
| Common stock repurchased (in shares) | 352,568,635 | ||||||||||||
| Common stock repurchased | 1,143,789 | 1,143,789 | |||||||||||
| Treasury stock, at cost | 0 | 35,173 | 35,173 | ||||||||||
| Remaining amount authorized under the stock repurchase program | 856,211 | ||||||||||||
| Amortization of costs related to share-lending arrangement and other issuance costs | 3,097 | 3,060 | 6,306 | 6,042 | |||||||||
| Unamortized, debt issuance costs | 27,652 | 19,140 | 19,140 | ||||||||||
| Unamortized, debt issuance costs recorded in deferred financing fees, net | 27,099 | 18,721 | 18,721 | ||||||||||
| Unamortized, debt issuance costs recorded in long-term related party assets | $ 553 | $ 419 | $ 419 | ||||||||||
| Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 | $ 0.001 | ||||||||||
| Undesignated preferred stock, shares authorized | 50,000,000 | 50,000,000 | 50,000,000 | ||||||||||
| Preferred stock, shares issued | 0 | 6,250,100 | 12,500,000 | ||||||||||
| Preferred stock, shares outstanding | 0 | 6,250,100 | |||||||||||
| Conversion of preferred stock to common stock (in shares) | 6,250,100 | 6,250,100 | 6,249,900 | 1,293,509,076 | 1,293,467,684 | ||||||||
| Number of outstanding warrants to acquire common stock (in shares) | 18,455,000 | 18,455,000 | 18,455,000 | ||||||||||
| Average exercise price (in dollars per warrant) | 2.55 | 2.55 | 2.55 | ||||||||||