Derivative Financial Instruments (Details) bbl in Thousands, BTU in Billions	Sep. 30, 2026 BTU $ / EnergyContent $ / Barrels bbl
NYMEX Oil Swap Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	7,673
Derivative, Swap Type, Weighted-Average Contract Price	61.22
NYMEX Oil Swap Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	12,542
Derivative, Swap Type, Weighted-Average Contract Price	68.70
NYMEX Oil Swap Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Swap Type, Weighted-Average Contract Price	0
NYMEX Oil Collar Contract, Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	3,289
Derivative, Weighted-Average Floor Price	58.66
Derivative, Weighted-Average Ceiling Price	66.07
NYMEX Oil Collar Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	13,157
Derivative, Weighted-Average Floor Price	63.93
Derivative, Weighted-Average Ceiling Price	72.37
NYMEX Oil Collar Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Weighted-Average Floor Price	0
Derivative, Weighted-Average Ceiling Price	0
NYMEX Oil Calendar Month Average Roll Differential Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	719
Derivative, Roll Differential Swap Type, Weighted-Average Contract Price	1.08
NYMEX Oil Calendar Month Average Roll Differential Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Roll Differential Swap Type, Weighted-Average Contract Price	0
NYMEX Oil Calendar Month Average Roll Differential Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Roll Differential Swap Type, Weighted-Average Contract Price	0
WTI Midland NYMEX WTI \| Oil Basis Swap Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	1,140
Derivative, Oil Basis Swap Type, Weighted-Average Contract Price	0.99
WTI Midland NYMEX WTI \| Oil Basis Swap Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	2,194
Derivative, Oil Basis Swap Type, Weighted-Average Contract Price	1.02
WTI Midland NYMEX WTI \| Oil Basis Swap Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Oil Basis Swap Type, Weighted-Average Contract Price	0
WTI Houston MEH NYMEX WTI \| Oil Basis Swap Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	378
Derivative, Oil Basis Swap Type, Weighted-Average Contract Price	2.01
WTI Houston MEH NYMEX WTI \| Oil Basis Swap Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Oil Basis Swap Type, Weighted-Average Contract Price	0
WTI Houston MEH NYMEX WTI \| Oil Basis Swap Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Oil Basis Swap Type, Weighted-Average Contract Price	0
NYMEX HH \| Gas Swaps Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	13,696
Derivative, Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	4.30
NYMEX HH \| Gas Swaps Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	41,556
Derivative, Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	3.96
NYMEX HH \| Gas Swaps Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	3,259
Derivative, Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	4.05
NYMEX HH \| Gas Collar Contract, Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	27,352
Derivative, Weighted-Average Floor Price \| $ / EnergyContent	3.53
Derivative, Weighted-Average Ceiling Price \| $ / EnergyContent	4.67
NYMEX HH \| Gas Collar Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	20,661
Derivative, Weighted-Average Floor Price \| $ / EnergyContent	3.72
Derivative, Weighted-Average Ceiling Price \| $ / EnergyContent	4.60
NYMEX HH \| Gas Collar Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	0
Derivative, Weighted-Average Floor Price \| $ / EnergyContent	0
Derivative, Weighted-Average Ceiling Price \| $ / EnergyContent	0
IF WAHA \| Gas Swaps Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	1,067
Derivative, Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	3.13
IF WAHA \| Gas Swaps Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	4,603
Derivative, Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	3.64
IF WAHA \| Gas Swaps Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	7,280
Derivative, Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	1.11
IF WAHA NYMEX HH \| Gas Basis Swap Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	11,960
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	(1.31)
IF WAHA NYMEX HH \| Gas Basis Swap Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	28,053
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	(0.77)
IF WAHA NYMEX HH \| Gas Basis Swap Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	0
CIG Rockies NYMEX HH \| Gas Basis Swap Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	11,960
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	(0.57)
CIG Rockies NYMEX HH \| Gas Basis Swap Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	7,300
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	(0.37)
CIG Rockies NYMEX HH \| Gas Basis Swap Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Energy Measure \| BTU	0
Derivative, Gas Basis Swap Type, Weighted-Average Contract Price \| $ / EnergyContent	0
OPIS Ethane Mont Belvieu Non-TET \| NGL Swaps Contract Fourth Quarter, Year 1
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	141
Derivative, Swap Type, Weighted-Average Contract Price	11.71
OPIS Ethane Mont Belvieu Non-TET \| NGL Swaps Contract, Year 2
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Swap Type, Weighted-Average Contract Price	0
OPIS Ethane Mont Belvieu Non-TET \| NGL Swaps Contract, Year 3
Derivative Financial Instruments
Derivative, Nonmonetary Notional Amount, Volume \| bbl	0
Derivative, Swap Type, Weighted-Average Contract Price	0

Derivative, Calendar Month Average Roll Differential Swap Type, Weighted-Average Contract Price

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- Definition

Derivative, Gas Basis Swap Type, Weighted-Average Contract Price

+ References

No definition available.

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- Definition

Derivative, Oil Basis Swap Type, Weighted-Average Contract Price

+ References

No definition available.

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- Definition

The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5

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- Definition

Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

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- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5

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- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 181
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480401/815-10-55-181

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- Definition

Average fixed price related to the group of price risk swap derivatives.

+ References

+ Details

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