Derivative Financial Instruments (Schedule Of Open Oil Derivative Positions) (Details)	6 Months Ended
Jun. 30, 2026 $ / bbl $ / Customer bbl
Derivatives, Fair Value [Line Items]
Weighted Average Floor Price \| $ / Customer	3.45
WTI/NYMEX Q3-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	83,500
Weighted Average Differential to WTI	0.95
Midland Sweet Q3-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 Q3-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	8,000
Weighted Average Differential to WTI	(5.66)
NYMEX Roll Q3-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	95,000
Weighted Average Differential to WTI	1.74
WTI/NYMEX Q1-Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	32,466
Weighted Average Differential to WTI	1.04
Magellan East Houston Q1-Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	27,000
Weighted Average Differential to WTI	1.85
Midland Sweet Q1-Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	48,000
Weighted Average Differential to WTI	1.02
NYMEX West Texas Intermediate Price Swaps Oil Q3-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	10,000
Weighted Average Price Swap	66.13
NYMEX West Texas Intermediate Price Collars Oil Q3-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	84,500
Weighted Average Floor Price	56.25
Weighted Average Ceiling Price	73.11
NYMEX West Texas Intermediate Price Swaps Oil Q1-Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	0
Weighted Average Price Swap	0
NYMEX West Texas Intermediate Price Collars Oil Q1-Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	38,466
Weighted Average Floor Price	59.04
Weighted Average Ceiling Price	85.41
NYMEX West Texas Intermediate Three Way Price Collars Oil Q3-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	113,000
Weighted Average Floor Sold Price	49.36
Weighted Average Floor Purchased Price	59.36
Weighted Average Ceiling Price	72.36
NYMEX West Texas Intermediate Three Way Price Collars Oil Q1 Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	57,397
Weighted Average Floor Sold Price \| $ / Customer	47.25
Weighted Average Floor Purchased Price	57.25
Weighted Average Ceiling Price	73.14

Weighted average differential to W T I.

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- Definition

Weighted Average Floor Purchased Price

+ References

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- Definition

Weighted Average Floor Sold Price

+ References

No definition available.

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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

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

The average floor rate on a group of price risk derivatives such as floors or collars. 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 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

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