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Partners' Capital (Deficit) - Distributions of Available Cash (Details) | 12 Months Ended
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Dec. 31, 2021
Equity [Abstract] |
Distribution period (in days) | 45 days

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- Definition Limited Partners' Capital Account, Distribution Period + References No definition available. + Details
Name: | mmlp_LimitedPartnersCapitalAccountDistributionPeriod
Namespace Prefix: | mmlp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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