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Subsidiary Guarantors (Details) | Sep. 30, 2016
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Subsidiary Guarantors [Abstract] |
Ownership percentage by parent | 100.00%

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- Definition Ownership Percentage by Parent + References No definition available. + Details
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Namespace Prefix: | mtdr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Subsidiary Guarantors [Abstract] + References No definition available. + Details
Name: | mtdr_SubsidiaryGuarantorsAbstract
Namespace Prefix: | mtdr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration