Fair Value Measurements (Recurring Narrative) (Details) - Level 3	12 Months Ended
	Dec. 31, 2022 $ / gal USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, average forward price | $ / gal	0.84
Probability of renewal second term	100.00%
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, forward price	0.68
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, forward price	1.62