STATEMENTS OF SUPPLEMENTAL CONSOLIDATED AND COMBINED OPERATIONS (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Revenues:      
Oil & natural gas sales $ 531,853 $ 370,062 $ 289,912
Pipeline tariff income and other 4,366 3,075 3,253
Total revenues 536,219 373,137 293,165
Costs and expenses:      
Lease operating 143,733 96,433 87,972
Pipeline operating 2,068 1,835 2,114
Exploration 2,750 1,322 9,340
Production and ad valorem taxes 33,141 18,447 15,354
Depreciation, depletion, and amortization 185,955 113,814 101,624
Impairment of proved oil and natural gas properties 407,540 4,072 22,994
General and administrative 49,124 54,947 35,112
Accretion of asset retirement obligations 5,773 4,988 4,458
(Gain) loss on commodity derivative instruments (492,254) (26,133) (24,405)
(Gain) loss on sale of properties   (2,848) (9,759)
Other, net (11) 647 38
Total costs and expenses 337,819 267,524 244,842
Operating income (loss) 198,400 105,613 48,323
Other income (expense):      
Interest expense, net (83,550) (44,302) (24,955)
Other income (expense) (657) 2 1
Amortization of investment premium     (194)
Total other income (expense) (84,207) (44,300) (25,148)
Income (loss) before income taxes 114,193 61,313 23,175
Income tax benefit (expense) 1,421 (308) (108)
Net income (loss) 115,614 61,005 23,067
Net income (loss) attributable to noncontrolling interest 32 267 104
Net income (loss) attributable to Memorial Production Partners LP 115,582 60,738 22,963
Limited partners' interest in net income (loss):      
Net income (loss) attributable to Memorial Production Partners LP 115,582 60,738 22,963
Net (income) loss allocated to previous owners 2,465 (52,012) (22,842)
Net (income) loss allocated to general partner (206) (49)  
Net (income) loss allocated to NGP IDRs (88)    
Limited partners' interest in net income (loss) $ 117,753 $ 8,677 $ 121
Earnings per unit: (Note 10)      
Basic and diluted earnings per unit $ 1.66 $ 0.19 $ 0.01
Weighted average limited partner units outstanding:      
Basic and diluted 70,859 46,017 22,880