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DEBT - Schedule of Future Minimum Payments Under Term Loan Agreement (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Debt Disclosure [Abstract] |  |
Remainder of 2022 | $ 3,527 |
2023 | 25,440 |
2024 | 33,200 |
Total | 62,167 |
Less: amount representing interest | (8,892) |
Less: unamortized debt discount and issuance costs | (776) |
Less: unamortized end of term charge | (2,320) |
Noncurrent portion of debt | $ 50,179 | $ 49,830

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