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Asset Under Development - Schedule Of Assets (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
Extractive Industries Rollforward [Abstract]    
Opening asset under development balance $ 1,152,032 $ 877,838
Additions 137,876 221,184
Interest costs capitalized 52,692 53,010
Closing asset under development balance $ 1,342,600 $ 1,152,032