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FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Jul. 23, 2021 | Jul. 22, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Liabilities: |  |  |  |
Warrants liability | $ 21,034 |  |  | $ 0
Fair Value, Inputs, Level 3 |  |  |  |
Liabilities: |  |  |  |
Warrants liability | 10,670 | $ 15,455 |  |
Fair Value, Recurring | Fair Value, Inputs, Level 1 | Warrant Liability – Public Warrants |  |  |  |
Liabilities: |  |  |  |
Warrants liability | 10,364 |  | $ 16,603 |
Fair Value, Recurring | Fair Value, Inputs, Level 3 | Warrant Liability – Private Warrants |  |  |  |
Liabilities: |  |  |  |
Warrants liability | $ 10,670 |  | $ 15,455 |

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