Derivative Financial Instruments (Schedule Of Open Natural Gas Derivative Positions) (Details)	9 Months Ended
	Sep. 30, 2024 MMBTU $ / Customer $ / MMBTU
Ferchenry Hub Price Swaps Natural Gas Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	252,000
Weighted Average Price Swap | $ / MMBTU	3.16
Ferchenry Hub Prices Collars Natural Gas Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	15,000
Weighted Average Floor Price | $ / MMBTU	3
Weighted Average Ceiling Price | $ / MMBTU	3.65
Ferchenry Hub Price Swaps Natural Gas Q1-Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	220,537
Weighted Average Price Swap | $ / MMBTU	3.34
Ferchenry Hub Price Swaps Natural Gas Q1-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	130,000
Weighted Average Price Swap | $ / MMBTU	3.78
Ferchenry Hub Price Collars Natural Gas Q1-Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	55,000
Weighted Average Floor Price | $ / Customer	3
Weighted Average Ceiling Price | $ / Customer	3.69
Ferchenry Hub Price Collars Natural Gas Q1-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	50,000
Weighted Average Floor Price | $ / Customer	3.25
Weighted Average Ceiling Price | $ / Customer	4.18
E1 Paso Natural Gas Basis Swaps Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	10,000
Weighted Average Differential To Henry Hub | $ / MMBTU	(1)
Houston Ship Channel Natural Gas Basis Swaps Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	160,000
Weighted Average Differential To Henry Hub | $ / MMBTU	(0.28)
Waha Natural Gas Basis Swaps Q4 2024 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	80,000
Weighted Average Differential To Henry Hub | $ / MMBTU	(0.74)
Houston Ship Channel Natural Gas Basis Swaps Q1-Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	170,000
Weighted Average Differential To Henry Hub | $ / MMBTU	(0.36)
Waha Natural Gas Basis Swaps Q1-Q4 2025 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	50,000
Weighted Average Differential To Henry Hub | $ / MMBTU	(1.04)
Houston Ship Channel Natural Gas Basis Swaps Q1-Q4 2026 [Member]
Derivatives, Fair Value [Line Items]
Volume Per Day (MMBtu/d)	50,000
Weighted Average Differential To Henry Hub | $ / MMBTU	(0.29)