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Convertible Senior Notes and Capped Call Transactions (Tables) | 9 Months Ended
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Sep. 30, 2020
Debt Disclosure [Abstract] |
Schedule of Net Carrying Amount of Liability and Equity Components of Convertible Notes | The net carrying amount of the liability and equity components of the 2025 Notes as of September 30, 2020 was as follows:
| As of |  |  |
| September 30, 2020 |  |  |
| (in thousands) |  |  |
Liability component |  |  |  |
Principal | $ | 253,000 |  |  |  |
Unamortized discount | (29,783) |  |  |  |
Unamortized issuance costs | (6,426) |  |  |  |
Net carrying amount | $ | 216,791 |  |  |  |
Equity component, net of discount and issuance costs | $ | 30,794 |  |  |  |
Schedule of Interest Expense | The interest expense recognized related to the 2025 Notes for the three and nine months ended September 30, 2020 was as follows:
| Three Months Ended September 30, 2020 |  | Nine Months Ended September 30, 2020
| (in thousands) |  |
Contractual interest expense | $ | 791 |  |  | $ | 1,221 |
Amortization of debt discount | 1,354 |  |  | 1,996 |
Amortization of debt issuance costs | 292 |  |  | 430 |
Total | $ | 2,437 |  |  | $ | 3,647 |

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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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- 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
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