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Employee Benefit Plans (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Employee Benefit Plan (Textual) [Abstract] |  |  |
Employees annual compensation | 3.00% |  |
Safe Harbor match | $ 1,400,000 | $ 1,100,000 | $ 900,000
Discretionary matching contributions | 1,700,000 | $ 1,400,000 | $ 1,100,000
No additional discretionary contributions | $ 0 |  |

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- Definition Defined contribution plan employer additional discretionary contribution amount. + References No definition available. + Details
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Namespace Prefix: | mtdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Defined contribution plan employer matching contribution amount + References No definition available. + Details
Name: | mtdr_DefinedContributionPlanEmployerMatchingContributionAmount
Namespace Prefix: | mtdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Employee Benefit Plan (Textual) [Abstract] + References No definition available. + Details
Name: | mtdr_EmployeeBenefitPlanTextualAbstract
Namespace Prefix: | mtdr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration