Property, Plant And Equipment - Net Changes in Capitalized Exploratory Well Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) in Capitalized Exploratory Well Costs that are Pending Determination of Proved Reserves [Roll Forward]
Beginning balance at January 1	$ 171,860	$ 179,481	$ 181,616
Additions pending the determination of proved reserves	48	33,440	16,725
Reclassifications to proved properties based on the determination of proved reserves	(82,185)	(7,915)	0
Capitalized exploration well costs charged to expense	(40,605)	(33,146)	(18,860)
Ending balance at December 31	$ 49,118	$ 171,860	$ 179,481