Condensed Consolidated Statements of Operations - Unaudited - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues
Oil and natural gas revenues	$ 69,336	$ 87,848	$ 113,262	$ 150,314
Realized gain on derivatives	2,465	13,780	9,528	32,285
Unrealized loss on derivatives	(26,625)	(23,532)	(33,464)	(32,090)
Total revenues	45,176	78,096	89,326	150,509
Expenses
Production taxes and marketing	10,556	10,258	18,459	17,308
Lease operating	13,174	14,950	28,664	27,996
Depletion, depreciation and amortization	31,248	51,768	60,170	98,239
Accretion of asset retirement obligations	289	132	552	244
Full-cost ceiling impairment	78,171	229,026	158,633	296,153
General and administrative	13,197	12,961	26,360	26,372
Total expenses	146,635	319,095	292,838	466,312
Operating loss	(101,459)	(240,999)	(203,512)	(315,803)
Other income (expense)
Net gain (loss) on asset sales and inventory impairment	1,002	0	2,067	(97)
Interest expense	(6,167)	(5,869)	(13,365)	(7,939)
Interest and other income	877	502	1,396	886
Total other expense	(4,288)	(5,367)	(9,902)	(7,150)
Loss before income taxes	(105,747)	(246,366)	(213,414)	(322,953)
Income tax provision (benefit)
Deferred	0	(89,350)		(115,740)
Total income tax benefit		(89,350)		(115,740)
Net loss	(105,747)	(157,016)	(213,414)	(207,213)
Net income attributable to non-controlling interest in subsidiaries	(106)	(75)	(93)	(111)
Net loss attributable to Matador Resources Company shareholders	$ (105,853)	$ (157,091)	$ (213,507)	$ (207,324)
Earnings (loss) per common share
Basic (in dollars per share)	$ (1.15)	$ (1.89)	$ (2.40)	$ (2.65)
Diluted (in dollars per share)	$ (1.15)	$ (1.89)	$ (2.40)	$ (2.65)
Weighted average common shares outstanding
Basic (shares)	92,346	82,938	88,826	78,379
Diluted (shares)	92,346	82,938	88,826	78,379