XML 43 R28.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

CONTRACTS AND AGREEMENTS - Additional Information (Details) - $ / item |  | 6 Months Ended
--- | --- | ---
Oct. 01, 2022 | Jun. 30, 2024
CONTRACTS AND AGREEMENTS |  |
Maximum aggregate compensation paid for distribution related services |  | 10.00%
Minimum |  |
CONTRACTS AND AGREEMENTS |  |
Commissions per round-turn trade, including applicable exchange, clearing and NFA fees for Natural Gas Futures Contracts and options on Natural Gas Futures Contracts |  | 7
Maximum |  |
CONTRACTS AND AGREEMENTS |  |
Commissions per round-turn trade, including applicable exchange, clearing and NFA fees for Natural Gas Futures Contracts and options on Natural Gas Futures Contracts |  | 8
Marketing Agent Agreement |  |
CONTRACTS AND AGREEMENTS |  |
Percentage of total net assets | 0.025% |

X
- Definition Amount of commissions paid. + References No definition available. + Details
Name: | unl_CommissionsPaid
Namespace Prefix: | unl_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of gross proceeds from offering paid for distribution related services as compensation. + References No definition available. + Details
Name: | unl_MaximumAggregateCompensationPaidForDistributionRelatedServices
Namespace Prefix: | unl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition It represents the Percentage of total net assets. + References No definition available. + Details
Name: | unl_PercentageOfTotalNetAssets
Namespace Prefix: | unl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479808/944-20-55-15 + Details
Name: | us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=unl_MarketingAgentAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |