Debt (Details 4) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	$ 61,309	$ 18,358
Net cash provided by (used in) investing activities	(238,320)	(57,932)
Net cash provided by financing activities	173,832	141,171
Increase in cash	(3,179)	101,597
Cash at beginning of period	212,884	16,732
Cash at end of period	209,705	118,329
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	(142,040)	132,035
Net cash provided by financing activities	142,040	(132,035)
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	(99,235)	(5,663)
Net cash provided by (used in) investing activities	29	(109,810)
Net cash provided by financing activities	0	141,736
Increase in cash	(99,206)	26,263
Cash at beginning of period	99,795	80
Cash at end of period	589	26,343
Non-Guarantor Subsidiaries [Member] \| Reportable Legal Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	(1,064)	4,294
Net cash provided by (used in) investing activities	(32,950)	(26,482)
Net cash provided by financing activities	31,707	22,225
Increase in cash	(2,307)	37
Cash at beginning of period	2,307	186
Cash at end of period	0	223
Guarantor Subsidiaries [Member] \| Reportable Legal Entities [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	161,608	19,727
Net cash provided by (used in) investing activities	(63,359)	(53,675)
Net cash provided by financing activities	85	109,245
Increase in cash	98,334	75,297
Cash at beginning of period	110,782	16,466
Cash at end of period	$ 209,116	$ 91,763

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
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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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
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-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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