Subsidiary Guarantors Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Condensed Balance Sheet Statements, Captions [Line Items]
Equity Method Investment, Ownership Percentage	100.00%
Intercompany receivable	$ 0	$ 0
Current assets	229,954	305,685
Net property and equipment	3,277,176	3,122,864
Investment in subsidiaries	0	0
Long-term assets	76,168	26,969
Total assets	3,583,298	3,455,518	$ 2,275,705
Intercompany payable	0	0
Current liabilities	328,423	330,022
Senior unsecured notes payable	1,038,229	1,037,837
Other long-term liabilities	425,117	308,002
Total equity attributable to Matador Resources Company	1,690,823	1,688,880
Non-controlling interest in subsidiaries	100,706	90,777
Total liabilities and equity	3,583,298	3,455,518
Eliminating Entries
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	(1,584,764)	(1,274,221)
Current assets	0	0
Net property and equipment	0	0
Investment in subsidiaries	(1,251,836)	(1,585,747)
Long-term assets	(9,334)	(9,502)
Total assets	(2,845,934)	(2,869,470)
Intercompany payable	(1,584,764)	(1,274,221)
Current liabilities	(773)	(724)
Senior unsecured notes payable	0	0
Other long-term liabilities	(8,561)	(8,778)
Total equity attributable to Matador Resources Company	(1,251,836)	(1,585,747)
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	(2,845,934)	(2,869,470)
Matador | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	1,570,507	1,244,405
Current assets	3,787	4,109
Net property and equipment	0	0
Investment in subsidiaries	1,146,156	1,490,401
Long-term assets	21,505	23,897
Total assets	2,741,955	2,762,812
Intercompany payable	0	0
Current liabilities	0	22,874
Senior unsecured notes payable	1,038,229	1,037,837
Other long-term liabilities	12,903	13,221
Total equity attributable to Matador Resources Company	1,690,823	1,688,880
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	2,741,955	2,762,812
Non-Guarantor Subsidiaries | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	14,257	29,816
Current assets	46,389	34,027
Net property and equipment	402,870	379,052
Investment in subsidiaries	0	0
Long-term assets	1,428	1,479
Total assets	464,944	444,374
Intercompany payable	0	0
Current liabilities	28,512	27,988
Senior unsecured notes payable	0	0
Other long-term liabilities	230,046	230,263
Total equity attributable to Matador Resources Company	105,680	95,346
Non-controlling interest in subsidiaries	100,706	90,777
Total liabilities and equity	464,944	444,374
Guarantor Subsidiaries | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	0	0
Current assets	179,778	267,549
Net property and equipment	2,874,306	2,743,812
Investment in subsidiaries	105,680	95,346
Long-term assets	62,569	11,095
Total assets	3,222,333	3,117,802
Intercompany payable	1,584,764	1,274,221
Current liabilities	300,684	279,884
Senior unsecured notes payable	0	0
Other long-term liabilities	190,729	73,296
Total equity attributable to Matador Resources Company	1,146,156	1,490,401
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	$ 3,222,333	$ 3,117,802