Derivative Activities - Effects of Derivatives on Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Derivative [Line Items]
Derivative Fair Value Income	$ 47,124	$ 38,394	$ 110,530	$ 530,095
Contingent Consideration
Derivative [Line Items]
Derivative Fair Value Income	0	(790)	0	(5,730)
Swaptions
Derivative [Line Items]
Derivative Fair Value Income	2,019	57	1,152	(2,435)
Three Way Collars
Derivative [Line Items]
Derivative Fair Value Income	7,059	7,071	15,802	63,285
Collars
Derivative [Line Items]
Derivative Fair Value Income	19,589	12,566	45,476	184,924
Basis Swaps
Derivative [Line Items]
Derivative Fair Value Income	(35,546)	4,977	(37,864)	23,379
Commodity | Swaps
Derivative [Line Items]
Derivative Fair Value Income	$ 54,003	$ 14,513	$ 85,964	$ 266,672