Natural Gas and Oil Reserves Information (Unaudited) - Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves [Roll Forward]
Standardized Measure, Beginning of Year	$ 12,609,636	$ 5,775,605	$ 1,935,725
Net change in sales price, net of production costs	(14,069,134)	8,600,315	5,012,696
Development costs incurred during the year which were previously estimated	1,004,650	788,450	502,674
Revisions of quantity estimates	(1,583,876)	(42,423)	119,200
Accretion of discount	1,551,704	680,010	199,124
Changes in future development and abandonment costs	1,095,844	(869,115)	1,505
Changes in timing and other	(374,087)	(113,744)	(224,617)
Extensions and discoveries	215,249	2,456,124	679,418
Acquisitions of minerals in place	0	604	150,065
Sales of minerals in place	0	(3,313)	(64,032)
Sales, net of production costs	(855,699)	(2,779,960)	(1,567,182)
Net changes in income taxes	2,780,343	(1,882,917)	(968,971)
Standardized Measure, End of Year	$ 2,374,630	$ 12,609,636	$ 5,775,605