XML 16 R1.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Document and Entity Information
 3 Months Ended
Mar. 31, 2024
shares
Document and Entity Information  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Mar. 31, 2024
Document Transition Report false
Entity File Number 001-33859
Entity Registrant Name United States 12 Month Oil Fund, LP
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 26-0431897
Entity Address, Address Line One 1850 Mt. Diablo Boulevard, Suite 640
Entity Address, City or Town Walnut Creek
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94596
City Area Code 510
Local Phone Number 522-9600
Title of 12(b) Security Shares of United States 12 Month Oil Fund, LP
Trading Symbol USL
Security Exchange Name NYSE
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 1,600,000
Entity Central Index Key 0001405528
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2024
Document Fiscal Period Focus Q1
Amendment Flag false