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Notes Payable Level 3 (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
Debt Instrument [Line Items] |
Convertible Notes Payable [Table Text Block] |
|  | September 30, 2012 |  | December 31, 2011
|  | September 2015 Notes |  | December 2029 Notes |  | December 2024 Notes |  | September 2015 Notes |  | December 2029 Notes |  | December 2024 Notes
|  | (Dollars in thousands)
Notes payable: |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of liability component |  | $ | 200,000 |  |  | $ | 115,839 |  |  | $ | 28,243 |  |  | $ | 200,000 |  |  | $ | 115,839 |  |  | $ | 28,243 |
Unamortized discount |  | (23,736 | ) |  | (13,650 | ) |  | — |  |  | (28,906 | ) |  | (17,568 | ) |  | — |
Net carrying amount of liability component |  | $ | 176,264 |  |  | $ | 102,189 |  |  | $ | 28,243 |  |  | $ | 171,094 |  |  | $ | 98,271 |  |  | $ | 28,243 |
Additional paid-in capital: |  |  |  |  |  |  |  |  |  |  |  |
Carrying amount of equity component |  |  |  | $ | 15,586 |  |  | $ | 22,637 |  |  |  |  | $ | 15,586 |  |  | $ | 22,637 |
Amount by which the if-converted value exceeds principal |  | $ | — |  |  | $ | 23,193 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,489 |  |  | $ | — |

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- Definition Tabular presentation of convertible debt elements (principal amount outstanding, unamortized debt discount, net carrying amount of liability component, carrying amount of equity component and amount by which the if-converted value exceeds principal outstanding). + References No definition available. + Details
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- Details
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