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Commitments and Contingencies - Crude Oil Releases (Details)	3 Months Ended
	Mar. 31, 2022 USD ($) crudeOilRelease
Loss Contingencies [Line Items]
Number Of Crude Oil Releases | crudeOilRelease	0
Crude oil and other releases remediation expenses	$ 0
Greenville Dixon Release
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses	3,600,000
Accrual for environmental loss contingencies	500,000
Operating Expense [Member]
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	$ 300,000

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

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