XML 39 R24.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

ORGANIZATION AND BUSINESS (Details) |  | 1 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 18, 2009 USD ($) $ / shares shares | Nov. 30, 2009 shares | Jun. 30, 2024 USD ($) contract D $ / shares shares | Mar. 31, 2024 $ / shares | Dec. 31, 2023 contract $ / shares | Jun. 30, 2023 $ / shares | Mar. 31, 2023 $ / shares | Dec. 31, 2022 $ / shares
ORGANIZATION AND BUSINESS |  |  |  |  |  |  |  |  |
Number of successive valuation days | D |  |  | 30 |  |  |  |  |  |
Average daily percentage change in the price of the benchmark futures contract considered |  |  | 10.00% |  |  |  |  |  |
Commenced investment operations date | Nov. 18, 2009 |  |  |  |  |  |  |  |
Number of units per basket |  |  | 50,000 |  |  |  |  |  |
Transaction fee | $ |  |  | $ 350 |  |  |  |  |  |
Number of initially registered units on Form S-1 with the U.S. Securities and Exchange Commission |  | 30,000,000 |  |  |  |  |  |  |
Net asset value per share | $ / shares | $ 50.00 |  | $ 8.28 | $ 7.77 | $ 8.58 |  | $ 11.51 | $ 11.66 | $ 17.24
Number of units issued | 200,000 |  |  |  |  |  |  |  |
Value of unit issued | $ | $ 10,000,000 |  |  |  |  |  |  |  |
Creation Baskets |  |  |  |  |  |  |  |  |
ORGANIZATION AND BUSINESS |  |  |  |  |  |  |  |  |
Number of units per basket |  |  | 50,000 |  |  |  |  |  |
Redemption Baskets |  |  |  |  |  |  |  |  |
ORGANIZATION AND BUSINESS |  |  |  |  |  |  |  |  |
Number of units per basket |  |  | 50,000 |  |  |  |  |  |
US |  |  |  |  |  |  |  |  |
ORGANIZATION AND BUSINESS |  |  |  |  |  |  |  |  |
Number of contracts | contract |  |  | 576 |  | 589 | [1] |  |  |
[1] | Collateral amounted to $6,113,231 on open commodity futures contracts.

X
- Definition Average daily percentage change in the price of the Benchmark Futures Contract considered for determining the average daily percentage change in the fund's NAV for achieving the entity's investment objective. + References No definition available. + Details
Name: | unl_AverageDailyPercentageChangeInPriceOfBenchmarkFuturesContractConsidered
Namespace Prefix: | unl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The per share amount of net asset value per unit. + References No definition available. + Details
Name: | unl_NetAssetValuePerUnit
Namespace Prefix: | unl_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents number of shares registered in period. + References No definition available. + Details
Name: | unl_NumberOfSharesRegisteredInPeriod
Namespace Prefix: | unl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of successive valuation days over which the average daily percentage change in the fund's NAV will be considered for achieving the entity's investment objective, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | unl_NumberOfSuccessiveValuationDays
Namespace Prefix: | unl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of number of shares per basket. + References No definition available. + Details
Name: | unl_NumberOfUnitsPerBasket
Namespace Prefix: | unl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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 No definition available. + Details
Name: | unl_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureLineItems
Namespace Prefix: | unl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amounts of transaction fee paid per order. + References No definition available. + Details
Name: | unl_TransactionFeePaidPerOrder
Namespace Prefix: | unl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of number of shares issued during the period. + References No definition available. + Details
Name: | unl_UnitsIssuedDuringPeriodUnitsNewIssues
Namespace Prefix: | unl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount received from the issuance of new shares during the period. + References No definition available. + Details
Name: | unl_UnitsIssuedDuringPeriodValueNewIssues
Namespace Prefix: | unl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Balance held at close of period in number of contracts. + References No definition available. + Details
Name: | us-gaap_InvestmentOwnedBalanceContracts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the operations of the entity commenced, in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_OperationsCommencedDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=unl_CreationBasketsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=unl_RedemptionBasketsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |