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Asset Under Development - Schedule Of Assets (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Extractive Industries Rollforward [Abstract]    
Opening asset under development balance $ 877,838 $ 658,247
Additions 191,827 178,377
Interest costs capitalized 38,063 41,214
Closing asset under development balance $ 1,107,728 $ 877,838