Derivative Financial Instruments (Schedule Of Open Oil Derivative Positions) (Details)	3 Months Ended
Mar. 31, 2026 $ / bbl $ / Customer bbl
Midland Sweet Q1-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	46,000
Weighted Average Differential to WTI	1.1
WTI/Brent Q2-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	8,625
Weighted Average Differential to WTI	(5.61)
NYMEX Roll Q2-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	86,051
Weighted Average Differential to WTI	1.24
Magellan East Houston Q1-Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	20,000
Weighted Average Differential to WTI	1.77
Midland Sweet Q1-Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	46,000
Weighted Average Differential to WTI	1
NYMEX West Texas Intermediate Three Way Price Collars Oil Q2 Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	108,698
Weighted Average Floor Sold Price	49.51
Weighted Average Floor Purchased Price	59.59
Weighted Average Ceiling Price	71.22
NYMEX West Texas Intermediate Three Way Price Collars Oil Q1 Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	37,397
Weighted Average Floor Sold Price \| $ / Customer	45.78
Weighted Average Floor Purchased Price	55.78
Weighted Average Ceiling Price	71.89

Weighted average differential to W T I.

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- Definition

Weighted Average Floor Purchased Price

+ References

No definition available.

+ Details

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- Definition

Weighted Average Floor Sold Price

+ References

No definition available.

+ Details

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- Definition

The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

No definition available.

+ Details

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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 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

+ Details

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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

+ Details

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- Details

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- Details

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- Details

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- Details

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