STATEMENTS OF CONSOLIDATED AND COMBINED EQUITY - USD ($) $ in Thousands	Total	Limited Partners Common Units [Member]	Limited Partners Subordinated [Member]	General Partner [Member]	Previous Owners [Member]	NGP IDR [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2013	$ 863,021	$ 582,075	$ (8,715)	$ 728	$ 283,405	$ 0	$ 5,528
Net income (loss)	115,614	113,573	4,180	206	(2,465)	88	32
Net proceeds from the issuance of common units	540,698	540,698	0	0	0	0	0
Contributions	6,560	0	0	570	5,990	0	0
Distributions	(164,738)	(142,719)	(11,794)	(251)	(9,886)	(88)	0
Distribution attributable to net assets acquired (see Note 13)	(2,413)	(2,321)	(90)	(2)	0	0	0
Distribution of net asset to MRD Holdco	(26,131)	0	0	0	(26,131)	0	0
Amortization of equity/unit-based awards	7,874	7,874	0	0	0	0	0
Tax related effects attributable to Memorial Resource restructuring and initial public offering	(30,483)	0	0	0	(30,483)	0	0
Common units repurchased under repurchase program (see Note 10)	(12,903)	(12,903)	0	0	0	0	0
Restricted units repurchased (see Note 10)	(1,012)	(1,012)	0	0	0	0	0
Other	227	0	0	0	227	0	0
Balance at Dec. 31, 2014	1,296,314	1,085,265	(16,419)	1,251	220,657	0	5,560
Net income (loss)	(395,491)	(393,395)	30	(327)	(2,268)	83	386
Contributions	4,877	2,962	0	3	1,912	0	0
Distributions	(163,259)	(159,975)	(2,949)	(252)	0	(83)	0
Distribution attributable to net assets transferred (see Note 1)	(78,396)	(78,318)	0	(78)	0	0	0
Net book value of net assets exchanged (see Note 1)	2,721	250,791	0	251	(248,321)	0	0
Purchase of noncontrolling interest	(5,946)	0	0	0	0	0	(5,946)
Amortization of equity/unit-based awards	10,809	10,809	0	0	0	0	0
Conversion of subordinated units to common units	0	(19,338)	19,338	0	0	0	0
Common units repurchased under repurchase program (see Note 10)	(52,813)	(52,813)	0	0	0	0	0
Restricted units repurchased and other	(1,344)	(1,344)	0	0	0	0	0
Deferred tax liability retained by previous owner (see Note 3)	28,020	0	0	0	28,020	0	0
Balance at Dec. 31, 2015	645,492	644,644	0	848	0	0	0
Net income (loss)	(540,398)	(540,230)	0	(168)	0	0	0
Net proceeds from the issuance of common units	1,849	1,849	0	0	0	0	0
Distributions	(13,300)	(13,289)	0	(11)	0	0	0
Purchase of equity interest of general partner (see Note 1)	(750)	(81)	0	(669)	0	0	0
Acquisition of IDRs from NGP (see Note 1)	(50)	(50)	0	0	0	0	0
Amortization of equity/unit-based awards	7,206	7,206	0	0	0	0	0
Restricted units repurchased and other	(560)	(560)	0	0	0	0	0
Balance at Dec. 31, 2016	$ 99,489	$ 99,489	$ 0	$ 0	$ 0	$ 0	$ 0