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IMPAIRMENTS AND DISCONTINUED OPERATIONS Narrative (Details) - USD ($) $ in Thousands		3 Months Ended
	Jul. 29, 2019	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment loss		$ 225,000		$ 0
Asset impairment losses			$ 8,400	297,300
Goodwill		780,853			$ 1,005,853
The St. Eustatius Disposition [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale	$ 230,000
Crude Oil Pipelines [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment loss		$ 225,000
St. Eustatius Bunkers [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment loss				31,100
Goodwill				$ 0