XML 41 R27.htm IDEA: XBRL DOCUMENT v3.23.1

CONTRACTS AND AGREEMENTS - Additional Information (Details) $ in Billions		3 Months Ended
	Oct. 01, 2022	Mar. 31, 2023 USD ($) $ / item
Maximum
CONTRACTS AND AGREEMENTS
Commissions per round-turn trade, including applicable exchange and NFA fees for natural gas-related futures contracts and options on futures contracts | $ / item		8
Minimum
CONTRACTS AND AGREEMENTS
Commissions per round-turn trade, including applicable exchange and NFA fees for natural gas-related futures contracts and options on futures contracts | $ / item		7
Marketing Agent and Affiliate Of USCF
CONTRACTS AND AGREEMENTS
Maximum aggregate compensation paid for distribution related services		10.00%
Marketing Agreement
CONTRACTS AND AGREEMENTS
Percentage of total net assets	0.025%
Marketing Agreement | UNL's assets up to $3 billion
CONTRACTS AND AGREEMENTS
Fee percentage		0.06%
Base amount for determining fee percentage | $		$ 3
Marketing Agreement | UNL's assets in excess of $3 billion
CONTRACTS AND AGREEMENTS
Fee percentage		0.04%
Base amount for determining fee percentage | $		$ 3

X

- Definition

Percentage of base fee.

+ References

No definition available.

+ Details

Name:	unl_BaseFeePercentage
Namespace Prefix:	unl_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of base fee.

+ References

No definition available.

+ Details

Name:	unl_BasisAmountForFeePercentage
Namespace Prefix:	unl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

No definition available.

+ 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_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=unl_MarketingAgentAndAffiliateOfUscfMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=unl_MarketingAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=unl_GroupFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=unl_GroupFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: