Derivative Instruments - Realized and Unrealized Gains and Losses on Crude Oil and Natural Gas Derivative Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net			$ (372,895)	$ 30,167
Gain (loss) on derivative instruments, net	$ 347,988	$ 451,254	(760,136)	135,252
Swap [Member] \| Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(317,171)	36,878	(388,153)	46,130
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	506,285	116,525	(352,342)	106,975
Swap [Member] \| Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	87,413	27,208	39,167	34,139
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	18,169	123,931	93,212	(163,234)
NYMEX roll swaps \| Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(18,092)	1,722	(18,092)	2,391
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	39,804	(4,258)	5,873	(391)
WAHA basis Price Swaps \| Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	45,236	0	72,857	0
WAHA Basis Swaps \| Natural Gas [Member]
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(48,113)	0	(27,600)	0
Collars [Member] \| Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(70,478)	(28)	(92,591)	(28)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	104,935	89,347	(75,336)	41,782
Collars [Member] \| Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	0	22,453	(429)	22,453
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	0	37,476	(16,702)	45,035
Crude Oil and Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(273,092)	88,233	(387,241)	105,085
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	621,080	363,021	(372,895)	30,167
Gain (loss) on derivative instruments, net	$ 347,988	$ 451,254	$ (760,136)	$ 135,252