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Asset Impairments and Other Restructuring Items - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2021
Restructuring and Related Activities [Abstract]
Percentage decline in crude oil prices	50.00%
Reduction of payroll tax expense		$ 4.8

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- Definition

Increase (Decrease) In Payroll Tax Expense, CARES Act

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- Definition

Oil And Gas, Percentage Decrease In Crude Oil Prices

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