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SHARE-BASED COMPENSATION - Inputs to the Model Used for PSUs Granted (Details) - PSUs - € / shares | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disclosure of Input of Model Used for Performance-Based RSU [Line Items] |  |
Fair value at grant date (in euros) (in EUR per share) | € 21.84 | € 6.65
Share price at grant date (in EUR per share) | € 13.90 | € 4.64
Dividend yield | 0.00% | 0.00%
Expected volatility | 71.00% | 63.00%
Risk-free interest rate (US government bond yield) | 0.31% | 0.36%

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- Definition Disclosure of input of model used for performance-based RSU. + References No definition available. + Details
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- Definition Expected dividend as percentage, other equity instruments granted. + References No definition available. + Details
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- Definition Expected volatility, other equity instruments granted. + References No definition available. + Details
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- Definition Fair value at measurement date other equity instruments granted per share. + References No definition available. + Details
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- Details
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