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v3.8.0.1

Debt (Tables) | 9 Months Ended
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Sep. 30, 2017
Debt |
Summary of information about the equity and liability components of the convertible senior notes | The carrying amount of the Notes consisted of the following (in thousands):
|  | September 30, 2017 |
Liability component |  |  |
Principal |  | $ | 400,000 |
Unamortized debt discount |  | (53,247 | )
Unamortized debt issuance costs |  | (8,036 | )
Net carrying amount |  | $ | 338,717 |
Equity component |  |  |
Net carrying amount |  | $ | 57,735 |
Schedule of components of interest expense | Interest expense related to the Notes was comprised of the following (in thousands):
|  | Three Months Ended |  | Nine Months Ended |
|  | September 30, 2017 |  | September 30, 2017 |
Contractual interest expense |  | $ | 1,360 |  | $ | 3,117 |
Amortization of debt discount |  | 2,674 |  | 6,068 |
Amortization of debt issuance costs |  | 404 |  | 916 |
|  | $ | 4,438 |  | $ | 10,101 |

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- Definition Tabular disclosure of interest expense related to debt. + References No definition available. + Details
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- 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
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- References No definition available. + Details
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