Derivatives (Schedule of Outstanding Derivatives Entered Into to Hedge Inventory or Fixed Price Purchase Commitments) (Details) - Crude Oil - Contracts not considered hedges under accounting guidance bbl in Thousands	9 Months Ended
	Sep. 30, 2026 $ / bbl bbl
Future | Sell (Short) Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Contract volumes (bbls) | bbl	46
Weighted average contract price | $ / bbl	106.04
Future | Buy (Long) Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Contract volumes (bbls) | bbl	49
Weighted average contract price | $ / bbl	89.88
Swaps | Sell (Short) Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Contract volumes (bbls) | bbl	50
Weighted average contract price | $ / bbl	0.05
Swaps | Buy (Long) Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Contract volumes (bbls) | bbl	0
Weighted average contract price | $ / bbl	0
Options Held | Sell (Short) Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Contract volumes (bbls) | bbl	62
Weighted average contract price | $ / bbl	5.70
Options Held | Buy (Long) Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Contract volumes (bbls) | bbl	0
Weighted average contract price | $ / bbl	0