[Line Items] for Asset Retirement Obligations Details [Table]

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- Definition

Proceeds from Sale of Productive Asset and Other Asset (Investment in Lease/Direct Financing Lease)

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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- Definition

The noncash expense charged against earnings to recognize the consumption of natural resources.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of loss from impairment of right-of-use asset from operating lease.

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Fixed Assets and Asset Retirement Obligations (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Oct. 30, 2020	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Asset Retirement Obligations Details [Line Items]
Depreciation expense			$ 295,400	$ 276,400	$ 295,600
Depletion expense			3,600	3,200	4,700
Impairment expense			0	280,826	0
Asset retirement obligation			220,906	176,852	$ 175,081
Current Liabilities - Accrued Liabilities
Asset Retirement Obligations Details [Line Items]
Asset retirement obligation			36,300	14,700
NEJD and Free State \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Asset Retirement Obligations Details [Line Items]
Proceeds from sale of assets	$ 22,500
Onshore facilities and transportation \| COVID-19
Asset Retirement Obligations Details [Line Items]
Impairment expense				277,500
Impairment of Long-Lived Assets Held-for-use				272,700
Operating Lease, Impairment Loss				$ 4,800
Onshore facilities and transportation \| NEJD and Free State \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Asset Retirement Obligations Details [Line Items]
Total consideration on sale of assets	92,500		$ 70,000
Loss on sale of assets	$ 22,000
Offshore pipeline transportation
Asset Retirement Obligations Details [Line Items]
Impairment expense		$ 3,300