v3.21.2

GOODWILL IMPAIRMENT Narrative (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
	Oct. 01, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Goodwill [Line Items]
Goodwill impairment loss	$ 0	$ 0	$ 0		$ 0	$ 225,000
Goodwill		766,416			766,416		$ 766,416
Crude Oil Pipelines [Member] | Pipeline Segment
Goodwill [Line Items]
Goodwill impairment loss				$ 225,000
Reporting unit, percentage of fair value in excess of carrying amount	4.00%
Goodwill	$ 308,600	$ 308,600			$ 308,600

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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-Section 45
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X

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 2
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-Name Accounting Standards Codification
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- Definition

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+ References

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- Definition

Percentage of fair value of reporting unit in excess of carrying amount.

+ References

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