Debt (Details 4) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	$ 222,516	$ 96,462
Net cash provided by (used in) investing activities	(606,339)	(297,596)
Net cash provided by (used in) financing activities	191,117	204,968
(Decrease) increase in cash	(192,706)	3,834
Cash at beginning of period	212,884	16,732
Cash at end of period	20,178	20,566
Eliminating Entries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	0	0
Net cash provided by (used in) investing activities	(133,880)	167,229
Net cash provided by (used in) financing activities	133,880	(167,229)
(Decrease) increase in cash	0	0
Cash at beginning of period	0	0
Cash at end of period	0	0
Matador [Member] \| Reportable Legal Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	(99,546)	(28,752)
Net cash provided by (used in) investing activities	33	(112,720)
Net cash provided by (used in) financing activities	0	141,520
(Decrease) increase in cash	(99,513)	48
Cash at beginning of period	99,795	80
Cash at end of period	282	128
Non-Guarantor Subsidiaries [Member] \| Reportable Legal Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	24,075	(2,726)
Net cash provided by (used in) investing activities	(85,114)	(51,904)
Net cash provided by (used in) financing activities	58,732	54,510
(Decrease) increase in cash	(2,307)	(120)
Cash at beginning of period	2,307	186
Cash at end of period	0	66
Guarantor Subsidiaries [Member] \| Reportable Legal Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	297,987	127,940
Net cash provided by (used in) investing activities	(387,378)	(300,201)
Net cash provided by (used in) financing activities	(1,495)	176,167
(Decrease) increase in cash	(90,886)	3,906
Cash at beginning of period	110,782	16,466
Cash at end of period	$ 19,896	$ 20,372

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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