The following table reflects the carrying values of the long-term debt as of March 31, 2025 and December 31, 2024: | | | | | | | | | | | | | | | | | As of March 31, 2025 | | As of December 31, 2024 | | | (in thousands) | | (in thousands) | Convertible Senior notes (effective interest rate of 0.38% for the 2026 Notes and an effective interest rate of 7.77% for the 2028 Notes) | | | | | | Principal amount | | $ | 338,594 | | | $ | 338,594 | | | Less: unamortized debt issuance costs | | (126) | | | (980) | | | Less: current portion of long-term debt | | (188,594) | | | — | | | Long-term debt, less current portion | | $ | 149,874 | | | $ | 337,614 | |
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