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Derivatives - Gain (Loss) on Derivatives Included in Statement of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on derivatives	$ (866,020)	$ 195,284	$ (127,202)
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss) on derivatives	(535,652)	184,374	(29,176)
Unrealized gain (loss) on derivatives	(330,368)	10,910	(98,026)
Gain (loss) on derivatives	(866,020)	195,284	(127,202)
Interest Hedges | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss) on derivatives, cash settled	(7,373)	(12,435)	(2,189)
Unrealized gain (loss) on derivatives	7,347	2,074	(3,260)
Commodity Hedges | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain (loss) on derivatives	(337,715)	8,836	(94,766)
Oil | Energy Hedges | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss) on derivatives, cash settled	(180,572)	149,713	(44,265)
Realized gain (loss) on derivatives, early settlement	(198,688)	0	0
Natural Gas | Energy Hedges | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss) on derivatives, cash settled	(80,253)	32,638	4,245
Natural gas liquids | Energy Hedges | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Realized gain (loss) on derivatives, cash settled	$ (68,766)	$ 14,458	$ 13,033

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585

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