Property, Plant and Equipment - Net Changes in Capitalized Exploratory Well Costs (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Movement in Property, Plant and Equipment [Roll Forward]
Beginning balance	$ 49,118	$ 171,860
Additions pending the determination of proved reserves	28,452	40,825
Reclassifications to proved properties based on the determination of proved reserves	0	(1,065)
Capitalized exploratory well costs charged to expense	(26,471)	(26,143)
Ending balance	$ 51,099	$ 185,477