Debt Instrument, Covenant, Interest Coverage Ratio, Minimum

No definition available.

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- Definition

Debt Instrument, Covenant, Liquidity Restriction On Cash Distribution Trigger, Percentage Of Lender Commitments

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Accordian Feature, Increase Limit

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility, Covenant, Cash And Cash Equivalent Limit

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of credit facility amended maximum borrowing capacity.

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No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility, Maximum Facility Amount

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Covenant, Debt to EBITDA Ratio

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No definition available.

+ Details

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- 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.

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No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	credit
Period Type:	instant

- Details

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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mtdr_SanMateoCreditFacilityMember
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Period Type:

- Details

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Debt Credit Agreement (Details)	1 Months Ended	9 Months Ended
Debt Credit Agreement (Details)	Feb. 29, 2020 USD ($)	Sep. 30, 2020 USD ($)	Oct. 30, 2020 USD ($)	Dec. 19, 2018 USD ($)
Revolving Credit Facility \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Cash and cash equivalent limit	$ 50,000,000.0
EBITDA ratio	4.00
Line of Credit \| San Mateo Credit Facility
Debt Instrument [Line Items]
Maximum borrowing commitment		$ 375,000,000.0
Line of credit, accordian feature				$ 400,000,000.0
EBITDA ratio		5.00
Consolidated interest expense minimum		2.50
Liquidity restriction on cash distribution, percentage of lender commitments, less than		10.00%
Subsequent Event
Debt Instrument [Line Items]
Maximum borrowing commitment			$ 700,000,000.0
Subsequent Event \| Revolving Credit Facility \| Third Amended Credit Agreement
Debt Instrument [Line Items]
Increase in borrowing base			900,000,000.0
Maximum facility amount			$ 1,500,000,000