Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues
Oil and natural gas revenues	$ 528,684	$ 291,156	$ 278,340
Third-party midstream services revenues	10,198	5,218	1,864
Realized (loss) gain on derivatives	(4,321)	9,286	77,094
Unrealized gain (loss) on derivatives	9,715	(41,238)	(39,265)
Total revenues	544,276	264,422	318,033
Expenses
Production taxes, transportation and processing	58,275	43,046	35,650
Lease operating	67,313	56,202	54,704
Plant and other midstream services operating	13,039	5,389	3,489
Depletion, depreciation and amortization	177,502	122,048	178,847
Accretion of asset retirement obligations	1,290	1,182	734
Full-cost ceiling impairment	0	158,633	801,166
General and administrative	66,016	55,089	50,105
Total expenses	383,435	441,589	1,124,695
Operating income (loss)	160,841	(177,167)	(806,662)
Other income (expense)
Net gain on asset sales and inventory impairment	23	107,277	908
Interest expense	(34,565)	(28,199)	(21,754)
Other income (expense)	3,551	(4)	616
Total other (expense) income	(30,991)	79,074	(20,230)
Income (loss) before income taxes	129,850	(98,093)	(826,892)
Income tax (benefit) provision
Current	(8,157)	(1,036)	2,959
Deferred	0	0	(150,327)
Total income tax benefit	(8,157)	(1,036)	(147,368)
Net income (loss)	138,007	(97,057)	(679,524)
Net income attributable to non-controlling interest in subsidiaries	(12,140)	(364)	(261)
Net income (loss) attributable to Matador Resources Company shareholders	$ 125,867	$ (97,421)	$ (679,785)
Earnings (loss) per common share
Basic (usd per share)	$ 1.23	$ (1.07)	$ (8.34)
Diluted (usd per share)	$ 1.23	$ (1.07)	$ (8.34)
Weighted average common shares outstanding
Basic (in shares)	102,029	91,273	81,537
Diluted (in shares)	102,543	91,273	81,537