Condensed Consolidated Statement of Changes in Shareholders' Equity - 6 months ended Jun. 30, 2015 - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Preferred Stock	Preferred Stock Preferred Stock	Additional paid-in capital	Additional paid-in capital Preferred Stock	Retained (deficit)earnings	Treasury Stock	Total shareholders’ equity attributable to Matador Resources Company	Total shareholders’ equity attributable to Matador Resources Company Preferred Stock	Non-controlling interest in subsidiary
Beginning Balance, shares at Dec. 31, 2014	73,342,777		73,374,000						31,000
Balance at January 1, 2015 at Dec. 31, 2014	$ 866,541		$ 734	$ 0		$ 724,819		$ 140,855	$ 0	$ 866,408		$ 133
Balance at January 1, 2015 at Dec. 31, 2014				0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock	260,229	$ 32,490	$ 104		$ 1	260,125	$ 32,489			260,229	$ 32,490
Issuance of common stock, shares			10,319,000		150,000
Cost to issue equity	(1,172)					(1,172)				(1,172)
Conversion of preferred stock to common stock, shares			1,500,000	150,000
Conversion of preferred stock to common stock			$ 15	$ (1)		(14)
Stock-based compensation expense related to equity-based awards	4,518					4,518				4,518
Stock options exercised, shares			(13,000)
Stock options exercised						10				10
Stock options exercised	10
Liability-based stock option awards settled			10,000
Liability-based stock option awards settled	343					343				343
Restricted stock issued, shares			182,000
Restricted stock issued			$ 2			(2)
Restricted stock forfeited, shares									59,000
Vesting of restricted stock units	1		$ 52			1				1
Capital contribution to less than wholly owned subsidiary	600											600
Current period net (loss) income	$ (207,213)							(207,324)		(207,324)		111
Ending Balance, shares at Jun. 30, 2015	85,360,085		85,450,000						90,000
Balance at March 31, 2015 at Jun. 30, 2015	$ 956,347		$ 855	$ 0		$ 1,021,117		$ (66,469)	$ 0	$ 955,503		$ 844
Balance at March 31, 2015 at Jun. 30, 2015				0