XML 49 R22.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Notes Payable (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2015
Debt Disclosure [Abstract] |
Liability and Equity Components of Convertible Senior Notes | The carrying amount of the 2015 notes and the amount by which the if-converted value exceeds the outstanding principal for the 2015 notes is as follows:
| September 30, 2015 |  | December 31, 2014
| (Dollars in thousands)
Principal amount of liability component | $ | — |  |  | $ | 22,377 |
Unamortized discount | — |  |  | (698 | )
Net carrying amount of liability component | $ | — |  |  | $ | 21,679 |
Amount by which the if-converted value exceeds principal | $ | — |  |  | $ | 30,497 |

X
- Definition Tabular disclosure of borrowings which can be exchanged for a specified number of another security at the option of the issuer or the holder. Disclosures include, but are not limited to, principal amount, amortized premium or discount, and amount of liability and equity components. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration