Derivative Activities - Combined Fair Value of Derivatives, by Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Gross Amounts of Recognized Assets	$ 96,957	$ 74,602
Gross Amounts Offset in the Balance Sheet	(52,618)	(34,590)
Net Amounts of Assets Presented in the Balance Sheet	44,339	40,012
Gross Amounts of Recognized (Liabilities)	(223,601)	(71,043)
Gross Amounts Offset in the Balance Sheet	52,618	34,590
Net Amounts of (Liabilities) Presented in the Balance Sheet	(170,983)	(36,453)
Contingent Consideration
Derivative [Line Items]
Gross Amounts of Recognized Assets	26,640	15,960
Gross Amounts Offset in the Balance Sheet	0	0
Net Amounts of Assets Presented in the Balance Sheet	26,640	15,960
Commodity \| Natural Gas \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	22,491	33,559
Gross Amounts Offset in the Balance Sheet	(18,111)	(16,821)
Net Amounts of Assets Presented in the Balance Sheet	4,380	16,738
Gross Amounts of Recognized (Liabilities)	121,759	(10,120)
Gross Amounts Offset in the Balance Sheet	18,111	16,821
Net Amounts of (Liabilities) Presented in the Balance Sheet	103,648	6,701
Commodity \| Natural Gas \| Swaption
Derivative [Line Items]
Gross Amounts of Recognized (Liabilities)	11,149	(9,803)
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of (Liabilities) Presented in the Balance Sheet	11,149	(9,803)
Commodity \| Natural Gas \| Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets	12,378	7,016
Gross Amounts Offset in the Balance Sheet	8,600	(2,329)
Net Amounts of Assets Presented in the Balance Sheet	3,778	4,687
Gross Amounts of Recognized (Liabilities)	16,579	0
Gross Amounts Offset in the Balance Sheet	8,600	2,329
Net Amounts of (Liabilities) Presented in the Balance Sheet	7,979	2,329
Commodity \| Natural Gas \| Three Way Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets	12,234	535
Gross Amounts Offset in the Balance Sheet	8,449	(6,139)
Net Amounts of Assets Presented in the Balance Sheet	3,785	(5,604)
Gross Amounts of Recognized (Liabilities)	37,166	(18,353)
Gross Amounts Offset in the Balance Sheet	8,449	6,139
Net Amounts of (Liabilities) Presented in the Balance Sheet	28,717	(12,214)
Commodity \| Natural Gas \| Basis Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	18,092	7,894
Gross Amounts Offset in the Balance Sheet	10,487	(3,502)
Net Amounts of Assets Presented in the Balance Sheet	7,605	4,392
Gross Amounts of Recognized (Liabilities)	2,064	(4,197)
Gross Amounts Offset in the Balance Sheet	10,487	3,502
Net Amounts of (Liabilities) Presented in the Balance Sheet	(8,423)	(695)
Commodity \| Natural Gas \| Calls
Derivative [Line Items]
Gross Amounts of Recognized (Liabilities)	61
Gross Amounts Offset in the Balance Sheet
Net Amounts of (Liabilities) Presented in the Balance Sheet	61
Commodity \| Crude Oil \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	368	2,465
Gross Amounts Offset in the Balance Sheet	2,153	(829)
Net Amounts of Assets Presented in the Balance Sheet	(1,785)	1,636
Gross Amounts of Recognized (Liabilities)	27,252	(5,471)
Gross Amounts Offset in the Balance Sheet	2,153	829
Net Amounts of (Liabilities) Presented in the Balance Sheet	25,099	(4,642)
Commodity \| NGLs (C3-Propane) \| Spread Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	4,153	4,863
Gross Amounts Offset in the Balance Sheet	4,153	(4,863)
Net Amounts of Assets Presented in the Balance Sheet		0
Gross Amounts of Recognized (Liabilities)	4,030	(4,069)
Gross Amounts Offset in the Balance Sheet	4,153	4,863
Net Amounts of (Liabilities) Presented in the Balance Sheet	(123)	794
Commodity \| NGLs (C3-Propane) \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized (Liabilities)		(8,243)
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of (Liabilities) Presented in the Balance Sheet		(8,243)
Commodity \| NGLs (C3-Propane) \| Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets		0
Gross Amounts Offset in the Balance Sheet		(107)
Net Amounts of Assets Presented in the Balance Sheet		(107)
Gross Amounts of Recognized (Liabilities)		(3,086)
Gross Amounts Offset in the Balance Sheet		107
Net Amounts of (Liabilities) Presented in the Balance Sheet		(2,979)
Commodity \| NGLs (C5-Natural Gasoline) \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	266
Gross Amounts Offset in the Balance Sheet	363
Net Amounts of Assets Presented in the Balance Sheet	(97)
Gross Amounts of Recognized (Liabilities)	2,048	(4,897)
Gross Amounts Offset in the Balance Sheet	363	0
Net Amounts of (Liabilities) Presented in the Balance Sheet	1,685	(4,897)
Commodity \| NGLs (C5-Natural Gasoline) \| Collars
Derivative [Line Items]
Gross Amounts of Recognized Assets	221
Gross Amounts Offset in the Balance Sheet	221
Net Amounts of Assets Presented in the Balance Sheet
Gross Amounts of Recognized (Liabilities)	1,493
Gross Amounts Offset in the Balance Sheet	221
Net Amounts of (Liabilities) Presented in the Balance Sheet	1,272
Commodity \| NGLs (C5-Natural Gasoline) \| Calls
Derivative [Line Items]
Gross Amounts of Recognized (Liabilities)		(546)
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of (Liabilities) Presented in the Balance Sheet		(546)
Commodity \| NGLs (NC4-Normal Butane) \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized (Liabilities)		(651)
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of (Liabilities) Presented in the Balance Sheet		(651)
Commodity \| NGLs (NC4-Normal Butane) \| Collars
Derivative [Line Items]
Gross Amounts of Recognized (Liabilities)		(401)
Gross Amounts Offset in the Balance Sheet		0
Net Amounts of (Liabilities) Presented in the Balance Sheet		(401)
Freight \| Swaps
Derivative [Line Items]
Gross Amounts of Recognized Assets	114	2,310
Gross Amounts Offset in the Balance Sheet	81	0
Net Amounts of Assets Presented in the Balance Sheet	33	2,310
Gross Amounts of Recognized (Liabilities)		(1,206)
Gross Amounts Offset in the Balance Sheet	81	0
Net Amounts of (Liabilities) Presented in the Balance Sheet	$ (81)	$ (1,206)

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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