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SHARE-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2021
Share-based payment arrangements [Abstract] |
Schedule of Inputs to the Model Used for PSUs Granted | The following table lists the inputs to the valuation model used for the PSUs granted in May 2021:
|  | May 2021 PSUs |  |
Fair value at grant date (in euros) |  | 21.84 |  |
Share price at grant date (in euros) |  | 13.90 |  |
Dividend yield |  | — |  |
Expected volatility (A) |  | 71% |  |
Risk-free interest rate (US government bond yield) |  | 0.31% |  |
Model used |  | Monte Carlo |  |
(A)Volatility in the share prices of the Company and companies included in indices were estimated based on observed historical volatilities over a period equal to the PSU vesting period. The PSUs granted in May 2018 were vested in May 2021 and achieved a TSR performance of 182.9%. 1,161,718 shares related to this vesting were delivered to beneficiaries.
Schedule of Number and Movement of Potential Shares |
|  | Performance-Based RSU |  | Restricted Stock Units |  | Equity Award Plans |  | Total potential shares
At December 31, 2020 |  | 2,594,327 |  |  |  | 2,231,911 |  |  |  | 32,912 |  |  |  | 4,859,150
Granted (A) |  | 614,555 |  |  |  | 534,499 |  |  |  | — |  |  |  | 1,149,054
Over-performance (B) |  | 526,551 |  |  |  | — |  |  |  | — |  |  |  | 526,551
Vested |  | (1,161,718) |  |  |  | (520,064) |  |  |  | (32,912) |  |  |  | (1,714,694)
Forfeited (C) |  | (9,970) |  |  |  | (30,815) |  |  |  | — |  |  |  | (40,785)
At June 30, 2021 |  | 2,563,745 |  |  |  | 2,215,531 |  |  |  | — |  |  |  | 4,779,276
(A)For PSUs, the number of potential shares granted is presented using a vesting multiplier of 100%. (B)When the achievement of TSR performance exceeds the vesting multiplier of 100%, the additional potential shares are presented as over-performance shares. (C)For potential shares related to PSUs, 9,970 were forfeited following the departure of certain beneficiaries and none were forfeited in relation to the non-fulfilment of performance conditions.

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- Definition The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's other equity instruments (ie other than share options). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_47_b&doctype=Standard -URIDate 2020-01-01 + Details
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