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ORGANIZATION AND BASIS OF PRESENTATION Narrative 3 (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
	Oct. 15, 2019	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Unusual or Infrequent Item, or Both [Line Items]
Goodwill impairment loss		$ 0			$ 0	$ 225,000	$ 0
Impact of fire at Selby, CA terminal	our terminal facility in Selby, California experienced a fire that destroyed two storage tanks and temporarily shut down the terminal
Selby, California Fire [Member]
Unusual or Infrequent Item, or Both [Line Items]
Loss, property damage				$ 5,400
Insurance proceeds received						25,000
Selby, California Fire [Member] \| Business Interruption Loss from Selby, California Fire [Member]
Unusual or Infrequent Item, or Both [Line Items]
Insurance proceeds received						$ 3,100
Crude Oil Pipelines [Member]
Unusual or Infrequent Item, or Both [Line Items]
Goodwill impairment loss			$ 225,000