Derivative Instruments - Realized and Unrealized Gains and Losses on Derivative Instruments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net			$ (605,822)	$ (145,194)
Loss on derivative instruments, net	$ (337,778)	$ (127,110)	(1,009,460)	(232,795)
Swap [Member] | Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	0	0	0	(44,462)
Swap [Member] | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(185,463)	(31,361)	(327,047)	(27,411)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(52,118)	(33,947)	(420,613)	(68,503)
Collars [Member] | Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	0	0	0	(9,365)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	0	0	0	227
Collars [Member] | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(22,106)	(10,563)	(36,023)	(7,329)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(78,501)	(11,411)	(168,758)	(29,101)
NYMEX roll swaps | Crude Oil [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(5,836)	(156)	(12,908)	966
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	19,789	3,506	3,630	180
Basis swaps | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	2,843	0	4,335	0
Three way collar | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	0	0	(16,459)	0
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(9,990)	(43,178)	(19,940)	(47,997)
Fixed price swaps WAHA | Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(15,536)	0	(15,536)	0
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	2,159	0	(11,914)	0
Basis swaps NGPL | Natural Gas [Member]
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	6,981	0	11,773	0
Crude Oil and Natural Gas [Member]
Cash received (paid) on derivatives:
Cash received (paid) on derivatives, net	(226,098)	(42,080)	(403,638)	(87,601)
Non-cash gain (loss) on derivatives:
Non-cash gain (loss) on derivatives, net	(111,680)	(85,030)	(605,822)	(145,194)
Loss on derivative instruments, net	$ (337,778)	$ (127,110)	$ (1,009,460)	$ (232,795)