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Subsidiary Guarantors (Details)	Sep. 30, 2015
Subsidiary Guarantors [Abstract]
Ownership Percentage by Parent	100.00%

X

- 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

X

- 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