Debt - Notes (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Debt Instrument [Roll Forward] | |||
| Change in fair value of embedded derivative | $ (39,083) | $ (10,632) | $ (45,942) |
| Notes | |||
| Debt Instrument [Roll Forward] | |||
| Embedded conversion option, beginning balance | 65,947 | 101,087 | |
| Convertible notes, beginning balance | 87,642 | 158,064 | |
| Discount, beginning balance | (22,135) | (47,239) | |
| Total, beginning balance | 131,454 | 211,912 | |
| Amortization of debt discount | 2,613 | 5,662 | |
| Change in fair value of embedded derivative | 36,587 | 12,213 | |
| Embedded conversion option, conversion | (78,797) | (47,353) | |
| Convertible notes, conversion | (55,442) | (70,422) | |
| Discount, conversion | 12,997 | 19,442 | |
| Conversion | (121,242) | (98,333) | |
| Embedded conversion option, ending balance | 23,737 | 65,947 | 101,087 |
| Convertible notes, ending balance | 32,200 | 87,642 | 158,064 |
| Discount, ending balance | (6,525) | (22,135) | (47,239) |
| Total, ending balance | $ 49,412 | $ 131,454 | $ 211,912 |
| X | ||||||||||
- Definition Conversion of Amortization of Debt Discount (Premium) No definition available.
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- Definition Debt Instrument, Conversion, Gain (Loss) No definition available.
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- Definition Debt Instrument [Roll Forward] No definition available.
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- Definition Embedded Derivative And Debt Instrument, Conversion, Gain (Loss) No definition available.
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- Definition Embedded Derivative, Conversion, Gain (Loss) No definition available.
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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