Debt (Details 4) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2017	Jun. 30, 2016
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	$ 121,242	$ 49,600
Net cash provided by (used in) investing activities	(383,478)	(166,032)
Net cash provided by (used in) financing activities	180,818	140,573
(Decrease) increase in cash	(81,418)	24,141
Cash at beginning of period	212,884	16,732
Cash at end of period	131,466	40,873
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)	167,236
Net cash provided by (used in) financing activities	133,880	(167,236)
(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	(98,583)	(24,519)
Net cash provided by (used in) investing activities	33	(117,086)
Net cash provided by (used in) financing activities	0	141,582
(Decrease) increase in cash	(98,550)	(23)
Cash at beginning of period	99,795	80
Cash at end of period	1,245	57
Non-Guarantor Subsidiaries [Member] \| Reportable Legal Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	1,566	(6,198)
Net cash provided by (used in) investing activities	(51,580)	(44,074)
Net cash provided by (used in) financing activities	47,707	50,150
(Decrease) increase in cash	(2,307)	(122)
Cash at beginning of period	2,307	186
Cash at end of period	0	64
Guarantor Subsidiaries [Member] \| Reportable Legal Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	218,259	80,317
Net cash provided by (used in) investing activities	(198,051)	(172,108)
Net cash provided by (used in) financing activities	(769)	116,077
(Decrease) increase in cash	19,439	24,286
Cash at beginning of period	110,782	16,466
Cash at end of period	$ 130,221	$ 40,752

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
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: 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=28358313&loc=d3e6676-107765

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3044-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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