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Pensions (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Participant
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Pensions [Abstract]      
Number of participants in benefit plan | Participant 12    
Defined Benefit Pension Plan [Abstract]      
Minimum age to be entitled to 70% of base salary at retirement date 67 years    
Percentage of base salary entitled at retirement date 70.00%    
Net liability for defined benefit pension $ 662 $ 612 $ 420
Expected contribution towards pension plan in 2022 $ 340