Subsidiary Guarantors Consolidated Cash Flow (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	$ 353,127	$ 419,318
Net cash used in investing activities	(639,049)	(1,220,528)
Net cash provided by financing activities	242,744	751,736
Increase in cash and restricted cash	(43,178)	(49,474)
Cash and restricted cash at beginning of period	83,984	102,482
Cash and restricted cash at end of period	40,806	53,008
Eliminating Entries
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	0	0
Net cash used in investing activities	(14,144)	53,295
Net cash provided by financing activities	14,144	(53,295)
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	(423)	(361,016)
Net cash used in investing activities	0	0
Net cash provided by financing activities	0	361,155
Increase in cash and restricted cash	(423)	139
Cash and restricted cash at beginning of period	456	286
Cash and restricted cash at end of period	33	425
Non-Guarantor Subsidiaries \| Reportable Legal Entities
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	82,812	12,318
Net cash used in investing activities	(116,967)	(120,836)
Net cash provided by financing activities	39,888	109,400
Increase in cash and restricted cash	5,733	882
Cash and restricted cash at beginning of period	18,841	5,663
Cash and restricted cash at end of period	24,574	6,545
Guarantor Subsidiaries \| Reportable Legal Entities
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used in) provided by operating activities	270,738	768,016
Net cash used in investing activities	(507,938)	(1,152,987)
Net cash provided by financing activities	188,712	334,476
Increase in cash and restricted cash	(48,488)	(50,495)
Cash and restricted cash at beginning of period	64,687	96,533
Cash and restricted cash at end of period	$ 16,199	$ 46,038

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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.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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