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Derivatives (Schedule of Outstanding Derivatives Entered Into to Hedge Inventory or Fixed Price Purchase Commitments) (Details) - 3 months ended Mar. 31, 2023 gal in Thousands, bbl in Thousands, T in Thousands, MMBTU in Thousands | bbl | $ / bbl | MMBTU | $ / MMBTU | T | $ / T | gal | $ / gal
--- | --- | --- | --- | --- | --- | --- | --- | ---
Designated as hedges under accounting rules | Sell (Short) Contracts | Future | Crude Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 282 |  |  |  |  |  |  |
Weighted average contract price | $ / bbl |  | 73.87 |  |  |  |  |  |
Designated as hedges under accounting rules | Buy (Long) Contracts | Future | Crude Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 0 |  |  |  |  |  |  |
Weighted average contract price | $ / bbl |  | 0 |  |  |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Sell (Short) Contracts | Future | Crude Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 180 |  |  |  |  |  |  |
Weighted average contract price | $ / bbl |  | 72.05 |  |  |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Sell (Short) Contracts | Future | Natural Gas |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 160 |  |  |  |  |  |  |
Contract volume (MMBTU) | MMBTU |  |  | 210 |  |  |  |  |
Weighted average contract price |  | 0.69 |  | 2.20 |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Sell (Short) Contracts | Future | Fuel Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (MT) | T |  |  |  |  | 0 |  |  |
Weighted average contract price (MT) | $ / T |  |  |  |  |  | 0 |  |
Not qualifying or not designated as hedges under accounting rules | Sell (Short) Contracts | Swaps | Natural Gas |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volume (MMBTU) | MMBTU |  |  | 0 |  |  |  |  |
Weighted average contract price | $ / MMBTU |  |  |  | 0 |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Sell (Short) Contracts | Differentials | Crude Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 40 |  |  |  |  |  |  |
Weighted average contract price | $ / bbl |  | (0.50) |  |  |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Sell (Short) Contracts | Commodity Option | Natural Gas and Natural Gas Liquids |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | gal |  |  |  |  |  |  | 0 |
Weighted average contract price | $ / gal |  |  |  |  |  |  |  | 0
Not qualifying or not designated as hedges under accounting rules | Buy (Long) Contracts | Future | Crude Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 117 |  |  |  |  |  |  |
Weighted average contract price | $ / bbl |  | 70.46 |  |  |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Buy (Long) Contracts | Future | Natural Gas |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 32 |  |  |  |  |  |  |
Contract volume (MMBTU) | MMBTU |  |  | 1,656 |  |  |  |  |
Weighted average contract price |  | 0.05 |  | 3.97 |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Buy (Long) Contracts | Future | Fuel Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (MT) | T |  |  |  |  | 46,600 |  |  |
Weighted average contract price (MT) | $ / T |  |  |  |  |  | 524.49 |  |
Not qualifying or not designated as hedges under accounting rules | Buy (Long) Contracts | Swaps | Natural Gas |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volume (MMBTU) | MMBTU |  |  | 1,502 |  |  |  |  |
Weighted average contract price | $ / MMBTU |  |  |  | 0.38 |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Buy (Long) Contracts | Differentials | Crude Oil |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | 0 |  |  |  |  |  |  |
Weighted average contract price | $ / bbl |  | 0 |  |  |  |  |  |
Not qualifying or not designated as hedges under accounting rules | Buy (Long) Contracts | Commodity Option | Natural Gas and Natural Gas Liquids |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract volumes (bbls) | gal |  |  |  |  |  |  | 1,070 |
Weighted average contract price | $ / gal |  |  |  |  |  |  |  | 0.20

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