Derivative Instruments - Realized and Unrealized Gains and Losses on Derivative Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	$ (453,698)	$ (14,070)
Loss on derivative instruments, net	(475,938)	(43,507)
Swap [Member] | Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	0	(30,033)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	0	(8,206)
Swap [Member] | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(4,229)	2,210
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(327,676)	6,086
Natural gas collars (HH) | Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	0	(4,956)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	0	(2,076)
Natural gas collars (HH) | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	0	3,183
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(98,236)	(10,049)
NYMEX roll swaps | Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(1,480)	159
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(7,640)	175
Jan 2022 to March 2022 3 Way Collars | Natural Gas [Member]
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net		0
3 Way Collars | Natural Gas [Member]
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(12,582)
Basis swaps | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(72)	0
Three way collar | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(16,459)	0
Fixed price swaps WAHA | Natural Gas [Member]
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(13,677)	0
Basis swaps NGPL | Natural Gas [Member]
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	6,113	0
Crude Oil and Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(22,240)	(29,437)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(453,698)	(14,070)
Loss on derivative instruments, net	$ (475,938)	$ (43,507)