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Long-term Debt (Tables) | 9 Months Ended
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Sep. 30, 2022
Debt Disclosure [Abstract] |
Schedule of Convertible Debt | The following table summarizes the carrying value of the long-term convertible debt as of September 30, 2022 and December 31, 2021 (in thousands):
| September 30, 2022 |  | December 31, 2021
2024 Notes |  |  |
Carrying value | $ | 23,879 |  |  | $ | 89,361 |
Unamortized debt discount and issuance costs | 402 |  |  | 27,690 |
Principal amount | $ | 24,281 |  |  | $ | 117,051 |
Remaining amortization period (years) | 2.2 |  | 2.9
Fair value(1) | $ | 49,290 |  |  | $ | 195,445 |
2025 Notes |  |  |
Carrying value | $ | 168,565 |  |  | $ | 126,315 |
Unamortized debt discount and issuance costs | 3,935 |  |  | 46,185 |
Principal amount | $ | 172,500 |  |  | $ | 172,500 |
Remaining amortization period (years) | 3.0 |  | 3.8
Fair value(1) | $ | 215,625 |  |  | $ | 177,251 |
———————— (1)Fair values for notes are derived from available trading prices closest to the respective balance sheet date.

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- Definition Tabular disclosure of convertible debt instrument. Includes, but is not limited to, principal amount and amortized premium or discount. + References No definition available. + Details
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- References No definition available. + Details
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