Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues
Revenues	$ 829,691
Lease bonus - mineral acreage	2,489	$ 0	$ 0
Realized gain (loss) on derivatives	2,334	(4,321)	9,286
Unrealized gain (loss) on derivatives	65,085	9,715	(41,238)
Total revenues	899,599	544,276	264,422
Expenses
Production taxes, transportation and processing	76,138	58,275	43,046
Lease operating	92,966	67,313	56,202
Plant and other midstream services operating	24,609	13,039	5,389
Purchased natural gas	6,635	0	0
Depletion, depreciation and amortization	265,142	177,502	122,048
Accretion of asset retirement obligations	1,530	1,290	1,182
Full-cost ceiling impairment	0	0	158,633
General and administrative	69,308	66,016	55,089
Total expenses	536,328	383,435	441,589
Operating income (loss)	363,271	160,841	(177,167)
Other income (expense)
Net (loss) gain on asset sales and inventory impairment	(196)	23	107,277
Interest expense	(41,327)	(34,565)	(28,199)
Prepayment premium on extinguishment of debt	(31,226)	0	0
Other income (expense)	1,551	3,551	(4)
Total other (expense) income	(71,198)	(30,991)	79,074
Income (loss) before income taxes	292,073	129,850	(98,093)
Income tax (benefit) provision
Current	(455)	(8,157)	(1,036)
Deferred	(7,236)	0	0
Total income tax benefit	(7,691)	(8,157)	(1,036)
Net income (loss)	274,207	125,867	(97,421)
Net income attributable to non-controlling interest in subsidiaries	(25,557)	(12,140)	(364)
Net income (loss) attributable to Matador Resources Company shareholders	$ 299,764	$ 138,007	$ (97,057)
Earnings (loss) per common share attributable to Matador Resources Company shareholders
Basic (usd per share)	$ 2.41	$ 1.23	$ (1.07)
Diluted (usd per share)	$ 2.41	$ 1.23	$ (1.07)
Weighted average common shares outstanding
Basic (in shares)	113,580	102,029	91,273
Diluted (in shares)	113,691	102,543	91,273
Oil and natural gas revenues
Revenues
Revenues	$ 800,700	$ 528,684	$ 291,156
Third-party midstream services revenues
Revenues
Revenues	21,920	10,198	5,218
Sales of purchased natural gas
Revenues
Revenues	$ 7,071	$ 0	$ 0