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FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Fees Paid And Related Party Transactions |  |  |
Ongoing Registration Fees and Other Offering Expenses | $ 3,203,939 | $ 504,876 | $ 349,290
Fees and expenses | 391,372 | 333,741 | 316,185
Licensing fee incurred | 512,944 | 215,376 | 271,572
Investor tax reporting cost | 2,200,000 |  |
USO And Related Public Funds |  |  |
Fees Paid And Related Party Transactions |  |  |
Fees and expenses | $ 585,896 | 556,951 | 521,689
USCF |  |  |
Fees Paid And Related Party Transactions |  |  |
USCF Management Fee | 0.45% |  |
USO |  |  |
Fees Paid And Related Party Transactions |  |  |
Ongoing Registration Fees and Other Offering Expenses | $ 3,203,939 | 504,876 | 349,290
Fees and expenses | 391,372 | 333,741 | 316,185
Licensing fee incurred | $ 512,944 | $ 215,376 | $ 271,572
Licensing Agreements |  |  |
Fees Paid And Related Party Transactions |  |  |
Fee percentage | 0.015% |  |

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- Definition Noninterest expense related to directors' fees which are fees paid by an Entity to its directors. Directors' fees may be paid in addition to salary and other benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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Period Type: | duration

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- Definition Amount of general expenses not normally included in Other Operating Costs and Expenses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.6) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Base Fee Percentage + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Fees Paid and Related Party Transactions [Line Items] + References No definition available. + Details
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- Definition It represent the value of license fees and other offering expenses. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The percentage of Contractual Obligation to Pay Fee. + References No definition available. + Details
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- Definition Registration Fees and Other Offering Expenses + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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