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Derivative Instruments - The Effect of Derivative Instruments on the Consolidated Statement of Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Derivative [Line Items]
Realized (Loss) Gain on Commodity Derivative Instruments:	$ (61,032)	$ (270,842)
Unrealized Gain (Loss) on Commodity Derivative Instruments:	823,199	(1,455,552)
(Loss) Gain on Derivative Instruments	762,167	(1,726,394)
Interest Rate Swaps
Derivative [Line Items]
Cash Received (Paid) in Settlement of Interest Rate Swaps	799	(937)
Unrealized (Loss) Gain on Interest Rate Swaps	(960)	5,223
(Loss) Gain on Derivative Instruments	(161)	4,286
Natural Gas | Commodity Swaps
Derivative [Line Items]
Realized (Loss) Gain on Commodity Derivative Instruments:	(49,926)	(271,819)
Unrealized Gain (Loss) on Commodity Derivative Instruments:	980,836	(1,654,113)
(Loss) Gain on Derivative Instruments	930,910	(1,925,932)
Natural Gas | Basis Only Swaps
Derivative [Line Items]
Realized (Loss) Gain on Commodity Derivative Instruments:	(11,106)	977
Unrealized Gain (Loss) on Commodity Derivative Instruments:	(158,235)	198,561
(Loss) Gain on Derivative Instruments	(169,341)	199,538
Propane | Propane Swaps
Derivative [Line Items]
Unrealized Gain (Loss) on Commodity Derivative Instruments:	598	0
(Loss) Gain on Derivative Instruments	$ 598	$ 0

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Gain (loss) incurred in hedging activities.

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The difference between the book value and the sale price of agreements to purchase or sell mineral resources, energy, and agricultural products at some future point. This element refers to the gain (loss) included in earnings and not to the cash proceeds.

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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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