Contractual Obligation, Term

No definition available.

Name:	mtdr_ContractualObligationTerm
Namespace Prefix:	mtdr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity Method Investment, Additional Aggregate Cost

+ References

No definition available.

+ Details

Name:	mtdr_EquityMethodInvestmentAdditionalAggregateCost
Namespace Prefix:	mtdr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Equity Method Investment, Contributions to Joint Venture, Operating Capital

+ References

No definition available.

+ Details

Name:	mtdr_EquityMethodInvestmentContributionstoJointVentureOperatingCapital
Namespace Prefix:	mtdr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Equity Method Investment, Deferred Performance Incentives

+ References

No definition available.

+ Details

Name:	mtdr_EquityMethodInvestmentDeferredPerformanceIncentives
Namespace Prefix:	mtdr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Equity Method Investment, Deferred Performance Incentives, Term

+ References

No definition available.

+ Details

Name:	mtdr_EquityMethodInvestmentDeferredPerformanceIncentivesTerm
Namespace Prefix:	mtdr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Wells Contributed to Joint Venture

+ References

No definition available.

+ Details

Name:	mtdr_NumberofWellsContributedtoJointVenture
Namespace Prefix:	mtdr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireInterestInJointVenture
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromDivestitureOfInterestInJointVenture
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_CorporateJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=mtdr_SanMateoMidstreamMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=mtdr_RustlerBreaksAssetAreaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=mtdr_WolfAssetAreaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=mtdr_RustlerBreaksandWolfAssetAreaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=mtdr_FivePointMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Combination (Details) $ in Thousands		3 Months Ended
Business Combination (Details) $ in Thousands	Feb. 17, 2017 USD ($) well	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Business Acquisition [Line Items]
Contributions related to formation of Joint Venture		$ 171,500	$ 0
Corporate Joint Venture [Member] \| San Mateo Midstream [Member]
Business Acquisition [Line Items]
Ownership percentage	51.00%	51.00%
Deferred performance incentives	$ 73,500
Deferred performance incentives term	5 years
Cash contributed to joint venture	$ 5,100
Additional cost commitment	$ 140,000
Corporate Joint Venture [Member] \| San Mateo Midstream [Member] \| Rustler Breaks Asset Area [Member]
Business Acquisition [Line Items]
Number of wells contributed to joint venture \| well	1
Term of contractual obligation	15 years
Corporate Joint Venture [Member] \| San Mateo Midstream [Member] \| Wolf Asset Area [Member]
Business Acquisition [Line Items]
Number of wells contributed to joint venture \| well	3
Corporate Joint Venture [Member] \| San Mateo Midstream [Member] \| Rustler Breaks and Wolf Asset Area [Member]
Business Acquisition [Line Items]
Term of contractual obligation	15 years
Five Point [Member] \| Corporate Joint Venture [Member] \| San Mateo Midstream [Member]
Business Acquisition [Line Items]
Ownership percentage	49.00%
Payments to acquire interest in joint venture	$ 176,400
Contributions related to formation of Joint Venture	$ 171,500