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Debt (Tables) | 3 Months Ended
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Mar. 31, 2024
Debt Disclosure [Abstract] |
Schedule of Net Carrying Amount of Debt | The 2025 Notes consist of the following (in thousands):
| March 31, 2024 |  | December 31, 2023 |  |
Principal | $ | 161,898 |  |  | $ | 161,898 |  |  |
Add: fair value of embedded derivative | — |  |  | $ | — |  |  |
Less: unamortized debt discount | (899) |  |  | $ | (1,106) |  |  |
Less: unamortized issuance costs | (715) |  |  | $ | (880) |  |  |
Net carrying amount | $ | 160,284 |  |  | $ | 159,912 |  |  |
Schedule of Interest Expense | The following table sets forth total interest expense recog nized related to the 2025 Notes (in thousands):
| Three Months Ended March 31, |  |  |  |  |
| 2024 |  | 2023 |  |  |  |  |  |  |  |
Contractual interest expense | $ | 1,315 |  |  | $ | 1,315 |  |  |  |  |  |  |  |  |
Amortization of debt discount | $ | 207 |  |  | $ | 207 |  |  |  |  |  |  |  |  |
Amortization of debt issuance costs | $ | 165 |  |  | $ | 165 |  |  |  |  |  |  |  |  |
Total interest expense | $ | 1,687 |  |  | $ | 1,687 |  |  |  |  |  |  |  |  |

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