XML 40 R25.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) | 6 Months Ended
--- | ---
Jun. 30, 2024 USD ($) shares
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Unrecognized tax benefits accrued for interest and penalties | $ 0
Number of units per basket | shares | 50,000
Transaction fee | $ 350

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

X
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant