EQUITY METHOD INVESTMENTS (Tables)

6 Months Ended

Jun. 30, 2020

Equity Method Investments and Joint Ventures [Abstract]

Equity method investments

The following table presents the carrying values of the Partnership’s equity method investments as of the dates indicated:

	Ownership Interest		June 30, 2020		December 31, 2019
			(In thousands)
EPIC Crude Holdings, LP	10	%	$	116,476	$	109,806
Gray Oak Pipeline, LLC	10	%	135,342		115,840
Wink to Webster Pipeline LLC	4	%	60,121		34,124
OMOG JV LLC	60	%	198,146		219,098
Amarillo Rattler, LLC	50	%	4,025		690
Total			$	514,110	$	479,558

The following table summarizes the income (loss) of equity method investees reflected in the Consolidated Statement of Operations for the periods indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(In thousands)
EPIC Crude Holdings, LP	$	(616)	$	(3)	$	(2,799)	$	(3)
Gray Oak Pipeline, LLC	1,171		(111)		1,753		(61)
Wink to Webster Pipeline LLC	12		—		200		—
OMOG JV LLC	(13,514)		—		(12,180)		—
Amarillo Rattler, LLC	(87)		—		(253)		—
Total	$	(13,034)	$	(114)	$	(13,279)	$	(64)