Derivative Activities - Effects of Derivatives on Consolidated Statements of Income (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Derivative [Line Items]
Derivative Fair Value Income (Loss)	$ 154,747	$ 16,808	$ (4,210)	$ 63,406
Natural Gas Derivatives
Derivative [Line Items]
Derivative Fair Value Income (Loss)	148,863	13,176	(9,474)	73,292
NGLs Derivatives
Derivative [Line Items]
Derivative Fair Value Income (Loss)	3,289	1,687	2,325	(715)
Oil Derivatives
Derivative [Line Items]
Derivative Fair Value Income (Loss)	$ 2,595	$ 1,945	$ 2,939	$ (9,171)