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

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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 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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 25
-Paragraph 6
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Fixed Assets, Mineral Leaseholds, and Asset Retirement Obligations (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Asset Retirement Obligations Details [Line Items]
Impairment expense	$ 0	$ 3,331		$ 0	$ 280,826
Asset retirement obligation balance	180,714			180,714		$ 176,852
Accrued Liabilities
Asset Retirement Obligations Details [Line Items]
Asset retirement obligation balance	$ 11,300			$ 11,300		$ 14,700
Covid-19 \| Onshore Facilities and Transportation
Asset Retirement Obligations Details [Line Items]
Impairment expense			$ 277,500
Impairment of net fixed assets			272,700
Impairment of right of use assets			$ 4,800
Non-Covid 19 \| Offshore pipeline transportation
Asset Retirement Obligations Details [Line Items]
Impairment expense		$ 3,300			$ 3,300