EQUITY METHOD INTERESTS - Information of Equity Method Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Equity method interests	$ 1,364,826	$ 1,555,182	$ 1,258,048
Difference between carrying amount and underlying equity	34,000	37,700
Movement In Equity Method Interests [Roll Forward]
Beginning balance	1,555,182	1,258,048
Contributions	28,420	327,305	501,352
Distributions	(172,729)	(98,166)
Capitalized interest		8,733
Equity income (loss), net	113,764	58,739	19,069
Other comprehensive income (loss)	630	523
Impairment	(160,441)	0	0
Ending balance	$ 1,364,826	$ 1,555,182	1,258,048
Gulf Coast Express Pipeline LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	16.00%	16.00%
Equity method interests	$ 273,940	$ 283,530	291,628
Movement In Equity Method Interests [Roll Forward]
Beginning balance	283,530	291,628
Contributions	314	1,715
Distributions	(49,953)	(52,009)
Capitalized interest		0
Equity income (loss), net	40,049	42,196
Other comprehensive income (loss)	0
Impairment	0
Ending balance	$ 273,940	$ 283,530	291,628
EPIC Crude Holdings, LP
Schedule of Equity Method Investments [Line Items]
Ownership percentage	15.00%	15.00%
Equity method interests	$ 0	$ 176,640	163,199
Movement In Equity Method Interests [Roll Forward]
Beginning balance	176,640	163,199
Contributions	2,250	29,250
Distributions	0	0
Capitalized interest		0
Equity income (loss), net	(19,079)	(16,332)
Other comprehensive income (loss)	630	523
Impairment	(160,441)
Ending balance	$ 0	$ 176,640	163,199
Permian Highway Pipeline LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	26.70%	26.70%
Equity method interests	$ 629,896	$ 615,186	310,421
Movement In Equity Method Interests [Roll Forward]
Beginning balance	615,186	310,421
Contributions	25,856	296,340
Distributions	(73,668)	0
Capitalized interest		8,733
Equity income (loss), net	62,522	(308)
Other comprehensive income (loss)	0	0
Impairment	0
Ending balance	$ 629,896	$ 615,186	310,421
Breviloba, LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	33.00%	33.00%
Equity method interests	$ 460,990	$ 479,826	492,800
Movement In Equity Method Interests [Roll Forward]
Beginning balance	479,826	492,800
Contributions	0	0
Distributions	(49,108)	(46,157)
Capitalized interest		0
Equity income (loss), net	30,272	33,183
Other comprehensive income (loss)	0	0
Impairment	0
Ending balance	$ 460,990	$ 479,826	$ 492,800