Derivative Activities - Combined Fair Value of Derivatives, by Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Derivative [Line Items]
Gross Amounts of Recognized Assets	$ 452,378	$ 126,464
Gross Amounts Offset in the Balance Sheet	(9,407)	(84,549)
Net Amounts of Assets Presented in the Balance Sheet	442,971	41,915
Gross Amounts of Recognized (Liabilities)	(9,736)	(251,461)
Gross Amounts Offset in the Balance Sheet	9,407	84,549
Net Amounts of (Liabilities) Presented in the Balance Sheet	(329)	(166,912)
Contingent Consideration
Derivative [Line Items]
Gross Amounts of Recognized Assets		13,080
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of Assets Presented in the Balance Sheet		13,080
Commodity \| Natural Gas \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	238,465	19,438
Gross Amounts Offset in the Balance Sheet	0	(6,236)
Net Amounts of Assets Presented in the Balance Sheet	238,465	13,202
Gross Amounts of Recognized (Liabilities)		(115,374)
Gross Amounts Offset in the Balance Sheet		6,236
Net Amounts of (Liabilities) Presented in the Balance Sheet		(109,138)
Commodity \| Natural Gas \| Swaptions
Derivative [Line Items]
Gross Amounts of Recognized Assets	0
Gross Amounts Offset in the Balance Sheet	(1,161)
Net Amounts of Assets Presented in the Balance Sheet	(1,161)
Gross Amounts of Recognized (Liabilities)	(1,161)
Gross Amounts Offset in the Balance Sheet	1,161
Net Amounts of (Liabilities) Presented in the Balance Sheet	0
Commodity \| Natural Gas \| Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets	150,456	54,222
Gross Amounts Offset in the Balance Sheet	0	(45,452)
Net Amounts of Assets Presented in the Balance Sheet	150,456	8,770
Gross Amounts of Recognized (Liabilities)		(72,866)
Gross Amounts Offset in the Balance Sheet		45,452
Net Amounts of (Liabilities) Presented in the Balance Sheet		(27,414)
Commodity \| Natural Gas \| Three Way Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets	25,406	12,424
Gross Amounts Offset in the Balance Sheet	0	(12,424)
Net Amounts of Assets Presented in the Balance Sheet	25,406	0
Gross Amounts of Recognized (Liabilities)		(24,341)
Gross Amounts Offset in the Balance Sheet		12,424
Net Amounts of (Liabilities) Presented in the Balance Sheet		(11,917)
Commodity \| Natural Gas \| Basis Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	26,852	25,493
Gross Amounts Offset in the Balance Sheet	(8,246)	(20,437)
Net Amounts of Assets Presented in the Balance Sheet	18,606	5,056
Gross Amounts of Recognized (Liabilities)	(8,575)	(24,972)
Gross Amounts Offset in the Balance Sheet	8,246	20,437
Net Amounts of (Liabilities) Presented in the Balance Sheet	(329)	(4,535)
Commodity \| Crude Oil \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	9,115
Gross Amounts Offset in the Balance Sheet	0
Net Amounts of Assets Presented in the Balance Sheet	9,115
Gross Amounts of Recognized (Liabilities)		(13,908)
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of (Liabilities) Presented in the Balance Sheet		(13,908)
Commodity \| Crude Oil \| Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets	2,084	1,807
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of Assets Presented in the Balance Sheet	$ 2,084	$ 1,807

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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