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Derivative Instruments - The Effect of Derivative Instruments on the Consolidated Statement of Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivative [Line Items]
Realized Gain (Loss) on Commodity Derivative Instruments:	$ 79,559	$ (530,391)	$ 18,527	$ (801,232)
Unrealized Gain (Loss) on Commodity Derivative Instruments:	462,913	(122,252)	1,286,112	(1,577,804)
Gain (Loss) on Commodity Derivative Instruments:	542,472	(652,643)	1,304,639	(2,379,036)
Interest Rate Swaps
Derivative [Line Items]
Gain (Loss) on Commodity Derivative Instruments:	840	1,368	679	5,653
Cash Received (Paid) in Settlement of Interest Rate Swaps	1,016	(763)	1,816	(1,700)
Unrealized (Loss) Gain on Interest Rate Swaps	(176)	2,131	(1,137)	7,353
Natural Gas | Commodity Swaps
Derivative [Line Items]
Realized Gain (Loss) on Commodity Derivative Instruments:	83,395	(558,374)	33,469	(830,193)
Unrealized Gain (Loss) on Commodity Derivative Instruments:	326,127	(197,309)	1,306,963	(1,851,422)
Gain (Loss) on Commodity Derivative Instruments:	409,522	(755,683)	1,340,432	(2,681,615)
Natural Gas | Basis Only Swaps
Derivative [Line Items]
Realized Gain (Loss) on Commodity Derivative Instruments:	(4,455)	27,983	(15,561)	28,961
Unrealized Gain (Loss) on Commodity Derivative Instruments:	134,671	75,057	(23,564)	273,618
Gain (Loss) on Commodity Derivative Instruments:	130,216	103,040	(39,125)	302,579
Propane | Propane Swaps
Derivative [Line Items]
Realized Gain (Loss) on Commodity Derivative Instruments:	619	0	619	0
Unrealized Gain (Loss) on Commodity Derivative Instruments:	2,115	0	2,713	0
Gain (Loss) on Commodity Derivative Instruments:	$ 2,734	$ 0	$ 3,332	$ 0

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