Derivative Financial Instruments (Schedule Of Open Oil Derivative Positions) (Details)	9 Months Ended
Sep. 30, 2025 $ / Customer $ / bbl bbl
NYMEX West Texas Intermediate Three Way Price Collars Oil Q1 Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	84,471
Weighted Average Floor Sold Price \| $ / Customer	50.21
Weighted Average Floor Price	60.35
Weighted Average Ceiling Price	72.64
Midland Sweet Q1-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	46,000
Weighted Average Differential To WTI Price	1.1
Midland Sweet Q1 Q4 2027 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	14,000
Weighted Average Differential To WTI Price	1.04
NYMEX West Texas Intermediate Price Swaps Oil Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	9,000
Weighted Average Price Swap	71.52
NYMEX West Texas Intermediate Price Collars Oil Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	105,000
Weighted Average Floor Price	66.35
Weighted Average Ceiling Price	75.36
NYMEX West Texas Intermediate Three Way Price Collars Oil Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	13,000
Weighted Average Floor Sold Price	50.77
Weighted Average Floor Price	65
Weighted Average Ceiling Price	77.37
Midland Sweet [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	63,000
Weighted Average Differential To WTI Price	1
WTI/Brent [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	5,391
Weighted Average Differential To WTI Price	(3.64)
NYMEX Roll [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) \| bbl	13,000
Weighted Average Differential To WTI Price	1.05

Weighted Average Differential To West Texas Intermediate Price

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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

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

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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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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- Details

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- Details

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