Property, Plant and Equipment - Net Changes in Capitalized Exploratory Well Costs (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Movement in Property, Plant and Equipment [Roll Forward]
Beginning balance	$ 72,055,000	$ 49,118,000
Additions pending the determination of proved reserves	24,790,000	11,538,000
Capitalized exploratory well costs charged to expense	0	(26,471,000)
Ending balance	$ 96,845,000	$ 34,185,000