Subsidiary Guarantors Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Condensed Balance Sheet Statements, Captions [Line Items]
Equity Method Investment, Ownership Percentage	100.00%
Intercompany receivable	$ 0	$ 0
Third-party current assets	320,937	257,170
Net property and equipment	2,228,017	1,881,456
Investment in subsidiaries	0	0
Third-party long-term assets	6,893	7,064
Total assets	2,555,847	2,145,690	$ 1,777,076
Intercompany payable	0	0
Third-party current liabilities	263,598	282,606
Senior unsecured notes payable	574,164	574,073
Other third-party long-term liabilities	38,337	31,465
Total equity attributable to Matador Resources Company	1,524,532	1,156,556
Non-controlling interest in subsidiaries	155,216	100,990
Total liabilities and equity	2,555,847	2,145,690
Eliminating Entries
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	(820,217)	(588,021)
Third-party current assets	0	0
Net property and equipment	0	0
Investment in subsidiaries	(1,448,314)	(1,258,372)
Third-party long-term assets	(2,934)	(3,003)
Total assets	(2,271,465)	(1,849,396)
Intercompany payable	(820,217)	(588,021)
Third-party current liabilities	(256)	(274)
Senior unsecured notes payable	0	0
Other third-party long-term liabilities	(2,678)	(2,729)
Total equity attributable to Matador Resources Company	(1,448,314)	(1,258,372)
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	(2,271,465)	(1,849,396)
Matador | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	811,982	585,109
Third-party current assets	3,031	2,240
Net property and equipment	0	0
Investment in subsidiaries	1,285,896	1,147,295
Third-party long-term assets	6,433	6,425
Total assets	2,107,342	1,741,069
Intercompany payable	0	0
Third-party current liabilities	8,646	8,847
Senior unsecured notes payable	574,164	574,073
Other third-party long-term liabilities	0	1,593
Total equity attributable to Matador Resources Company	1,524,532	1,156,556
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	2,107,342	1,741,069
Non-Guarantor Subsidiaries | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	8,235	2,912
Third-party current assets	29,358	9,334
Net property and equipment	299,258	223,178
Investment in subsidiaries	0	0
Third-party long-term assets	0	0
Total assets	336,851	235,424
Intercompany payable	0	0
Third-party current liabilities	15,482	19,891
Senior unsecured notes payable	0	0
Other third-party long-term liabilities	3,735	3,466
Total equity attributable to Matador Resources Company	162,418	111,077
Non-controlling interest in subsidiaries	155,216	100,990
Total liabilities and equity	336,851	235,424
Guarantor Subsidiaries | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	0	0
Third-party current assets	288,548	245,596
Net property and equipment	1,928,759	1,658,278
Investment in subsidiaries	162,418	111,077
Third-party long-term assets	3,394	3,642
Total assets	2,383,119	2,018,593
Intercompany payable	820,217	588,021
Third-party current liabilities	239,726	254,142
Senior unsecured notes payable	0	0
Other third-party long-term liabilities	37,280	29,135
Total equity attributable to Matador Resources Company	1,285,896	1,147,295
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	$ 2,383,119	$ 2,018,593