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CONVERTIBLE DEBT (Tables) | 6 Months Ended
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Jun. 30, 2023
Debt Disclosure [Abstract] |
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments | The following table presents the components of the 2024 Notes:
| As of
(in thousands, except for years and percentages) | June 30, 2023 |  | December 31, 2022
Liability: |  |  |
Principal amount | $ | 115,500 |  |  | $ | 115,500 |
Less: Debt issuance costs, net of amortization | (1,072) |  |  | (1,519) |
Carrying amount | $ | 114,428 |  |  | $ | 113,981 |
Schedule of Convertible Debt Interest | The following table presents interest expense recognized for the 2024 Notes:
| Three Months Ended |  | Six Months Ended
(in thousands) | June 30, 2023 |  | July 1, 2022 |  | June 30, 2023 |  | July 1, 2022
Contractual interest expense | $ | 578 |  |  | $ | 578 |  |  | $ | 1,156 |  |  | $ | 1,156 |
Amortization of debt issuance costs | 224 |  |  | 217 |  |  | 447 |  |  | 434 |
Total interest expense recognized | $ | 802 |  |  | $ | 795 |  |  | $ | 1,603 |  |  | $ | 1,590 |

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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