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Accumulated Other Comprehensive Income
12 Months Ended
Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income
Year ended
December 31, 2021December 31, 2020
 (in thousands)
Currency translation adjustments$(75,986)$(15,894)
Currency impact on long term funding(9,854)(9,329)
Actuarial loss on defined benefit pension plan (note 10)(5,098)(9,364)
Realized gain on interest rate hedge— 4,658 
Amortization of gain on interest rate hedge— (4,658)
Loss on interest rate hedge— (905)
Amortization of loss on interest rate hedge15 
 Total$(90,937)$(35,477)