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FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2025
FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS |  |  |  |  |
Percentage of management fee in average daily total net assets |  |  | 0.60% |  |
Registration fees |  |  | $ 0 | $ 0 |
Estimated directors' fees and expenses | $ 1,649 | $ 5,008 | $ 5,412 | 9,400 | $ 18,000
Fee percentage |  |  | 0.015% |  |
Licensing fee incurred | $ 1,535 | $ 2,369 | $ 3,313 | $ 4,827 |
Investor tax reporting cost |  |  |  |  | 170,000
USL and the Related Public Funds |  |  |  |  |
FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS |  |  |  |  |
Estimated directors' fees and expenses |  |  |  |  | $ 883,000

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- Definition Amount of general expenses not normally included in Other Operating Costs and Expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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