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Lease Liability (Schedule of expenses recognized to leases for which exemption applied) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Lease liabilities [abstract]    
Short-term leases $ 38,092 $ 40,253
Low value leases 407 353
Variable leases 58,626 57,389
Total $ 97,125 $ 97,995