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OTHER LIABILITIES - NON CURRENT AND CURRENT (Other liabilities - Non-current) (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disclosure of other liabilities [Abstract]    
Post-employment benefits $ 390,942 $ 432,648
Other employee benefits 74,787 52,647
Asset retirement obligation 32,098 41,673
Other 9,059 24,888
Other liabilities – Non-current $ 506,886 $ 551,856