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POST-EMPLOYMENT BENEFITS (Tables) | 12 Months Ended
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Dec. 31, 2020
Post Employment Benefits Abstract |
Post-employment benefits |
|  | At December 31 |  | At December 31
(in thousands) |  | 2020 |  | 2019
Accrued benefit obligation |  | $ | 1,361 |  |  | $ | 2,258 |
|  | $ | 1,361 |  |  | $ | 2,258 |
Post-employment benefits-by balance sheet presentation: |  |  |  |  |  |  |  |
Current |  | $ | 120 |  |  | $ | 150 |
Non-current |  |  | 1,241 |  |  |  | 2,108 |
|  | $ | 1,361 |  |  | $ | 2,258 |
Post-employment benefits continuity |
(in thousands) |  | 2020 |  | 2019
Balance-January 1 |  | $ | 2,258 |  |  | $ | 2,295 |
Accretion |  |  | 57 |  |  |  | 70 |
Benefits paid |  |  | (90 | ) |  |  | (107 | )
Experience gain adjustment |  |  | (864 | ) |  |  | — |
Balance-December 31 |  | $ | 1,361 |  |  | $ | 2,258 |

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