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Non-Current Other Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Payables and Accruals [Abstract] |
Non-Current Other Liabilities |
| December 31, 2021 | December 31, 2020
| (in thousands)
Defined benefit pension obligations, net (note 10) | $ | 16,262 |  | $ | 10,395 |
Other non-current liabilities | 25,599 |  | 15,971 |
| $ | 41,861 |  | $ | 26,366 |

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