Derivative Financial Instruments (Schedule Of Open Natural Gas Derivative Positions) (Details)	3 Months Ended
	Mar. 31, 2024 MMBTU $ / MMBTU
Ferc Henry Hub Price Swaps Natural Gas Q2 Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d) | MMBTU	244,935
Weighted Average Price Swap	3.2
FERC Henry Hub Price Collars Natural Gas Q2-Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d) | MMBTU	18,531
Weighted Average Floor Price	3.91
Weighted Average Ceiling Price	6.19
FERC Henry Hub Price Swaps Natural Gas Q1-Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d) | MMBTU	75,537
Weighted Average Price Swap	3.04
ELPasoNaturalGasBasisSwapQ2Q42024[Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d) | MMBTU	26,545
Weighted Average Differential To Henry Hub	(0.92)
Houston Ship Channel Natural Gas Basis Swaps Q2-Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d) | MMBTU	110,000
Weighted Average Differential To Henry Hub	(0.24)
WAHANaturalGasBasisSwapsQ2Q42024[Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d) | MMBTU	63,309
Weighted Average Differential To Henry Hub	(0.61)
WAHANaturalGasBasisSwapsQ1Q42025[Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d) | MMBTU	10,000
Weighted Average Differential To Henry Hub	(0.63)