Condensed Consolidated Statements of Operations - Unaudited - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues
Oil and natural gas revenues	$ 134,948	$ 83,079	$ 363,559	$ 196,341
Third-party midstream services revenues	3,218	1,566	6,871	2,956
Realized gain (loss) on derivatives	485	885	(1,176)	10,413
Unrealized (loss) gain on derivatives	(12,372)	3,203	21,449	(30,261)
Total revenues	126,279	88,733	390,703	179,449
Expenses
Production taxes, transportation and processing	15,666	12,388	40,348	30,846
Lease operating	16,689	14,605	48,486	41,300
Plant and other midstream services operating	3,096	1,449	8,379	3,537
Depletion, depreciation and amortization	47,800	30,015	123,066	90,185
Accretion of asset retirement obligations	323	276	937	828
Full-cost ceiling impairment	0	0	0	158,633
General and administrative	16,156	13,146	49,671	39,506
Total expenses	99,730	71,879	270,887	364,835
Operating income (loss)	26,549	16,854	119,816	(185,386)
Other income (expense)
Net gain on asset sales and inventory impairment	16	1,073	23	3,140
Interest expense	(8,550)	(6,880)	(26,229)	(20,244)
Other (expense) income	(36)	(141)	1,956	(17)
Total other expense	(8,570)	(5,948)	(24,250)	(17,121)
Income (loss) before income taxes	17,979	10,906	95,566	(202,507)
Current	0	(1,141)		(1,141)
Total income tax benefit	0	(1,141)	0	(1,141)
Net income (loss)	17,979	12,047	95,566	(201,366)
Net income attributable to non-controlling interest in subsidiaries	(2,940)	(116)	(8,034)	(209)
Net income (loss) attributable to Matador Resources Company shareholders	$ 15,039	$ 11,931	$ 87,532	$ (201,575)
Earnings (loss) per common share
Basic (in dollars per share)	$ 0.15	$ 0.13	$ 0.87	$ (2.24)
Diluted (in dollars per share)	$ 0.15	$ 0.13	$ 0.87	$ (2.24)
Weighted average common shares outstanding
Basic (shares)	100,365	93,384	100,141	90,016
Diluted (shares)	100,504	93,724	100,580	90,016