Derivative Financial Instruments (Schedule Of Open Oil Derivative Positions) (Details)	6 Months Ended
	Jun. 30, 2024 $ / bbl bbl
NYMEX West Texas Intermediate Price Collars Oil Q1 Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	5,992
Weighted Average Floor Price	70
Weighted Average Ceiling Price	77.97
Midland Sweet Q1 Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	18,000
Weighted Average Differential To WTI Price	1.21
Midland Sweet Q1-Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	63,000
Weighted Average Differential To WTI Price	1
Nymex west texas intermediate price collar soil Q3 Q4 2024 [member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	83,000
Weighted Average Floor Price	67.8
Weighted Average Ceiling Price	85.04
Nymex West Texas Intermediate Price Swaps Oil Q1 Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	4,468
Weighted Average Price Swap	72.83
Nymex Westtexas Intermediate Price Swaps Oil Q3 Q4 2024
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	28,000
Weighted Average Price Swap	78.97
Midland sweet Q3 Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	69,500
Weighted Average Differential To WTI Price	1.17
Nymexroll Q3 Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (Bbls/d) | bbl	26,000
Weighted Average Differential To WTI Price	0.82