Subsidiary Guarantors Consolidated Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	$ 136,149	$ 61,309
Net cash provided by (used in) investing activities	(220,754)	(224,974)
Net cash provided by (used in) financing activities	34,906	173,832
(Decrease) increase in cash and restricted cash	(49,699)	10,167
Cash and restricted cash at beginning of period	102,482	214,142
Cash and restricted cash at end of period	52,783	224,309
Eliminating Entries
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	20,400	(142,040)
Net cash provided by (used in) financing activities	(20,400)	142,040
(Decrease) increase in cash and restricted cash	0	0
Cash and restricted cash at beginning of period	0	0
Cash and restricted cash at end of period	0	0
Matador \| Reportable Legal Entities
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	(144)	(99,235)
Net cash provided by (used in) investing activities	0	29
Net cash provided by (used in) financing activities	0	0
(Decrease) increase in cash and restricted cash	(144)	(99,206)
Cash and restricted cash at beginning of period	286	99,795
Cash and restricted cash at end of period	142	589
Non-Guarantor Subsidiaries \| Reportable Legal Entities
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	10,385	(1,064)
Net cash provided by (used in) investing activities	(36,831)	(19,147)
Net cash provided by (used in) financing activities	44,900	31,707
(Decrease) increase in cash and restricted cash	18,454	11,496
Cash and restricted cash at beginning of period	5,663	2,900
Cash and restricted cash at end of period	24,117	14,396
Guarantor Subsidiaries \| Reportable Legal Entities
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	125,908	161,608
Net cash provided by (used in) investing activities	(204,323)	(63,816)
Net cash provided by (used in) financing activities	10,406	85
(Decrease) increase in cash and restricted cash	(68,009)	97,877
Cash and restricted cash at beginning of period	96,533	111,447
Cash and restricted cash at end of period	$ 28,524	$ 209,324

Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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