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DEBT (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt |
Schedule of debt | Our debt consists of:
|  | December 31, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
2023 Notes |  | $ | 240,984 |  |  | $ | 240,984 |
2025 Notes |  |  | 192,500 |  |  |  | 192,500 |
Total debt |  |  | 433,484 |  |  |  | 433,484 |
Unamortized debt discount and issuance costs |  |  | (38,831 | ) |  |  | (47,967 | )
Net long-term debt |  | $ | 394,653 |  |  | $ | 385,517 |
Summary of liability and equity components of convertible notes | Our outstanding 2025 Notes balances consisted of the following:
|  | December 31, |  |  | December 31, |
(In thousands) |  | 2021 |  |  | 2020 |
Liability component |  |  |  |  |  |
Principal |  | $ | 192,500 |  |  | $ | 192,500 |
Debt discount and issuance costs, net |  |  | (38,211 | ) |  |  | (46,766 | )
Net carrying amount |  | $ | 154,289 |  |  | $ | 145,734 |
Equity component, net |  | $ | 65,361 |  |  | $ | 65,361 |
2025 Notes |
Debt |
Schedule of components of interest expense | The following table sets forth total interest expense recognized related to the 2025 Notes for the years ended December 31, 2021, 2020 and 2019:
|  | Year Ended December 31, |
(In thousands) |  | 2021 |  |  | 2020 |  |  | 2019 |
Contractual interest expense |  | $ | 4,813 |  |  | $ | 4,813 |  |  | $ | 4,813 |
Amortization of debt issuance costs |  |  | 657 |  |  |  | 601 |  |  |  | 551 |
Amortization of debt discount |  |  | 7,898 |  |  |  | 7,230 |  |  |  | 6,618 |
Total interest and amortization expense |  | $ | 13,368 |  |  | $ | 12,644 |  |  | $ | 11,982 |
Aggregate scheduled maturities of long-term debt | The aggregate scheduled maturities of our long-term debt as of December 31, 2021 are as follows:
(In thousands) |  |  |
Years ending December 31: |  |  |
2022 |  | $ | — |
2023 |  |  | 240,984 |
2024 |  |  | — |
2025 |  |  | 192,500 |
Total |  | $ | 433,484 |

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