Derivatives (Summary Of Derivative Instruments Contracts) (Details)	Dec. 31, 2024 MMBTU $ / MMBTU $ / bbl bbl
Natural Gas Costless Collars [Member] | 2025
Derivative [Line Items]
Contract total volume | MMBTU	1,540,000
Natural Gas Costless Collars [Member] | 2026
Derivative [Line Items]
Contract total volume | MMBTU	1,245,000
Natural Gas Fixed Price Swaps [Member] | 2025
Derivative [Line Items]
Contract total volume | MMBTU	2,200,000
Contract average price	3.28
Natural Gas Fixed Price Swaps [Member] | 2026
Derivative [Line Items]
Contract total volume | MMBTU	215,000
Contract average price	3.44
Oil Costless Collars [Member] | Remaining Unsettled 2024
Derivative [Line Items]
Contract total volume | bbl	500
Oil Fixed Price Swaps [Member] | Remaining Unsettled 2024
Derivative [Line Items]
Contract average price | $ / bbl	68.42
Contract total volume | bbl	5,100
Oil Fixed Price Swaps [Member] | 2025
Derivative [Line Items]
Contract average price | $ / bbl	69.44
Contract total volume | bbl	57,800
Oil Fixed Price Swaps [Member] | 2026
Derivative [Line Items]
Contract average price | $ / bbl	68.78
Contract total volume | bbl	15,000
Maximum [Member] | Natural Gas Costless Collars [Member] | 2025
Derivative [Line Items]
Contract average price	4.54
Maximum [Member] | Natural Gas Costless Collars [Member] | 2026
Derivative [Line Items]
Contract average price	4.19
Maximum [Member] | Oil Costless Collars [Member] | Remaining Unsettled 2024
Derivative [Line Items]
Contract average price | $ / bbl	77
Minimum [Member] | Natural Gas Costless Collars [Member] | 2025
Derivative [Line Items]
Contract average price	3.27
Minimum [Member] | Natural Gas Costless Collars [Member] | 2026
Derivative [Line Items]
Contract average price	3.29
Minimum [Member] | Oil Costless Collars [Member] | Remaining Unsettled 2024
Derivative [Line Items]
Contract average price | $ / bbl	67