XML 50 R6.htm IDEA: XBRL DOCUMENT
v3.20.1

Condensed Consolidated Statement of Changes in Shareholders' Equity - Unaudited (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Statement of Stockholders' Equity [Abstract] |  |
Contribution related to formation of San Mateo, tax | $ 3.1 | $ 3.1
Contributions from non-controlling interest owners of less-than-wholly-owned subsidiaries, tax | $ 4.3 |

X
- Definition Adjustment To Additional Paid In Capital, Formation Of Joint Venture, Tax + References No definition available. + Details
Name: | mtdr_AdjustmentToAdditionalPaidInCapitalFormationOfJointVentureTax
Namespace Prefix: | mtdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Noncontrolling Interest, Increase From Subsidiary Equity Issuance, Tax + References No definition available. + Details
Name: | mtdr_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuanceTax
Namespace Prefix: | mtdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration