XML 37 R28.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Debt (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2015
Debt Disclosure [Abstract] |
Convertible Debt | Convertible note balances as of June 30, 2015 consisted of the following (in thousands):
Liability component: |
Principal | $ | 120,000 |
Less: unamortized debt discount and debt issuance costs | (41,762 | )
Net carrying amount | $ | 78,238 |
Equity component | $ | 38,305 |
Interest Income and Interest Expense Disclosure | The following table sets forth total interest expense recognized related to the Convertible Notes during the three and six months ended June 30, 2015 (in thousands):
Contractual interest expense | $ | 367 |
Amortization of debt discount | 440 |
Amortization of debt issuance costs | 29 |
Total interest expense | $ | 836 |

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

X
- Definition Tabular disclosure of interest income and expense, including, but not limited to, interest income and expense from investments, loans, and securities. + References No definition available. + Details
Name: | us-gaap_InterestIncomeAndInterestExpenseDisclosureTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration