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Partners' Capital (Deficit) - Incentive Distribution Rights and Distributions of Available Cash (Details) - USD ($) | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Limited Partners' Capital Account |  |
Distribution period | 45 days |
MMGP |  |
Limited Partners' Capital Account |  |
Incentive distribution | $ 0 | $ 0
MMGP LLC |  |
Limited Partners' Capital Account |  |
General partner interest percentage | 2.00% |
MMGP LLC | MMGP |  |
Limited Partners' Capital Account |  |
General partner interest percentage | 2.00% |

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

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- Definition Amount of incentive obligation paid in cash or stock during the period to a limited liability corporation managing member or limited partnership general partner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
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Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |