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ASSET UNDER DEVELOPMENT - Schedule of Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Extractive Industries [Roll Forward]    
Opening asset under development balance $ 877,838 $ 658,247
Additions 221,184 178,377
Interest costs capitalized 53,010 41,214
Closing asset under development balance $ 1,152,032 $ 877,838