Derivatives (Summary Of Derivative Instruments Contracts) (Details)	Jun. 30, 2024 MMBTU $ / bbl $ / MMBTU bbl
Natural Gas Costless Collars [Member] | 2024 [Member]
Derivative [Line Items]
Contract total volume | MMBTU	430,000
Natural Gas Costless Collars [Member] | 2024 [Member] | Minimum [Member]
Derivative [Line Items]
Contract average price	3.19
Natural Gas Costless Collars [Member] | 2024 [Member] | Maximum [Member]
Derivative [Line Items]
Contract average price	4.84
Natural Gas Costless Collars [Member] | 2025 [Member]
Derivative [Line Items]
Contract total volume | MMBTU	1,365,000
Natural Gas Costless Collars [Member] | 2025 [Member] | Minimum [Member]
Derivative [Line Items]
Contract average price	3.26
Natural Gas Costless Collars [Member] | 2025 [Member] | Maximum [Member]
Derivative [Line Items]
Contract average price	4.66
Natural Gas Costless Collars [Member] | 2026 [Member]
Derivative [Line Items]
Contract total volume | MMBTU	570,000
Natural Gas Costless Collars [Member] | 2026 [Member] | Minimum [Member]
Derivative [Line Items]
Contract average price	3.5
Natural Gas Costless Collars [Member] | 2026 [Member] | Maximum [Member]
Derivative [Line Items]
Contract average price	4.82
Natural Gas Fixed Price Swaps [Member] | 2024 [Member]
Derivative [Line Items]
Contract total volume | MMBTU	1,262,500
Contract average price	3.41
Natural Gas Fixed Price Swaps [Member] | 2025 [Member]
Derivative [Line Items]
Contract total volume | MMBTU	1,030,000
Contract average price	3.47
Oil Costless Collars [Member] | 2024 [Member]
Derivative [Line Items]
Contract total volume | bbl	12,250
Oil Costless Collars [Member] | 2024 [Member] | Minimum [Member]
Derivative [Line Items]
Contract average price | $ / bbl	65.79
Oil Costless Collars [Member] | 2024 [Member] | Maximum [Member]
Derivative [Line Items]
Contract average price | $ / bbl	76.76
Oil Fixed Price Swaps [Member] | 2024 [Member]
Derivative [Line Items]
Contract average price | $ / bbl	68.66
Contract total volume | bbl	21,500
Oil Fixed Price Swaps [Member] | 2025 [Member]
Derivative [Line Items]
Contract average price | $ / bbl	69.58
Contract total volume | bbl	40,800
Oil Fixed Price Swaps [Member] | 2026 [Member]
Derivative [Line Items]
Contract average price | $ / bbl	70.74
Contract total volume | bbl	4,500