XML 37 R22.htm IDEA: XBRL DOCUMENT
v3.22.0.1

CONTRACTS AND AGREEMENTS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
CONTRACTS AND AGREEMENTS |
Schedule of Brokerage and Futures Commissions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended | ​ | Year ended | ​ | Year ended |
​ | ​ | December 31, | ​ | December 31, | ​ | December 31, | ​
​ |  | 2021 |  | 2020 |  | 2019 |
Total commissions accrued to brokers | ​ | $ | 3,199 | ​ | $ | 1,633 | ​ | $ | 1,231 | ​
Total commissions as annualized percentage of average total net assets | ​ |  | 0.03 | % |  | 0.03 | % |  | 0.03 | %
Commissions accrued as a result of rebalancing | ​ | $ | 2,250 | ​ | $ | 1,153 | ​ | $ | 1,084 | ​
Percentage of commissions accrued as a result of rebalancing | ​ |  | 70.33 | % |  | 70.61 | % |  | 88.06 | %
Commissions accrued as a result of creation and redemption activity | ​ | $ | 949 | ​ | $ | 480 | ​ | $ | 147 | ​
Percentage of commissions accrued as a result of creation and redemption activity | ​ |  | 29.67 | % |  | 29.39 | % |  | 11.94 | %

X
- Definition Tabular disclosure of fees earned by the broker commission. + References No definition available. + Details
Name: | unl_BrokerageCommissionsTableTextBlock
Namespace Prefix: | unl_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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