Subsidiary Guarantors Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Condensed Balance Sheet Statements, Captions [Line Items]
Ownership percentage	100.00%
Intercompany receivable	$ 0	$ 0
Current assets	227,283	278,492
Net property and equipment	3,662,927	3,699,595
Investment in subsidiaries	0	0
Long-term assets	110,923	91,589
Total assets	4,001,133	4,069,676	$ 3,751,451
Intercompany payable	0	0
Current liabilities	344,769	399,772
Senior unsecured notes payable	1,040,207	1,039,416
Other long-term liabilities	797,656	661,036
Total equity attributable to Matador Resources Company	1,643,832	1,833,654
Non-controlling interest in subsidiaries	174,669	135,798
Total liabilities and equity	4,001,133	4,069,676
Eliminating Entries
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	(1,615,808)	(1,607,350)
Current assets	0	0
Net property and equipment	0	0
Investment in subsidiaries	(1,255,863)	(1,476,934)
Long-term assets	(11,025)	(10,532)
Total assets	(2,882,696)	(3,094,816)
Intercompany payable	(1,615,808)	(1,607,350)
Current liabilities	(933)	(909)
Senior unsecured notes payable	0	0
Other long-term liabilities	(10,092)	(9,623)
Total equity attributable to Matador Resources Company	(1,255,863)	(1,476,934)
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	(2,882,696)	(3,094,816)
Matador | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	1,600,300	1,578,133
Current assets	6,917	29
Net property and equipment	0	0
Investment in subsidiaries	1,070,647	1,332,237
Long-term assets	35,694	0
Total assets	2,713,558	2,910,399
Intercompany payable	0	0
Current liabilities	18,429	0
Senior unsecured notes payable	1,040,207	1,039,416
Other long-term liabilities	11,090	37,329
Total equity attributable to Matador Resources Company	1,643,832	1,833,654
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	2,713,558	2,910,399
Non-Guarantor Subsidiaries | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	15,508	29,217
Current assets	34,186	37,933
Net property and equipment	707,472	583,899
Investment in subsidiaries	0	0
Long-term assets	2,626	3,072
Total assets	759,792	654,121
Intercompany payable	0	0
Current liabilities	66,591	73,086
Senior unsecured notes payable	0	0
Other long-term liabilities	333,316	300,540
Total equity attributable to Matador Resources Company	185,216	144,697
Non-controlling interest in subsidiaries	174,669	135,798
Total liabilities and equity	759,792	654,121
Guarantor Subsidiaries | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Intercompany receivable	0	0
Current assets	186,180	240,530
Net property and equipment	2,955,455	3,115,696
Investment in subsidiaries	185,216	144,697
Long-term assets	83,628	99,049
Total assets	3,410,479	3,599,972
Intercompany payable	1,615,808	1,607,350
Current liabilities	260,682	327,595
Senior unsecured notes payable	0	0
Other long-term liabilities	463,342	332,790
Total equity attributable to Matador Resources Company	1,070,647	1,332,237
Non-controlling interest in subsidiaries	0	0
Total liabilities and equity	$ 3,410,479	$ 3,599,972