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Contracts and Agreements (Tables)
9 Months Ended
Sep. 30, 2014
Contractors [Abstract]  
Brokerage Commissions
USL also incurs commissions to brokers for the purchase and sale of Oil Futures Contracts, Other Oil-Related Investments or short-term obligations of the United States of two years or less (“Treasuries”).
 
 
 
For the nine months ended
 
 
For the nine months ended
 
 
 
September 30, 2014
 
 
September 30, 2013
 
Total commissions accrued to brokers
 
$
3,592
 
 
$
8,337
 
Commissions accrued as a result of rebalancing
 
$
2,908
 
 
$
3,825
 
Percentage of commissions accrued as a result of rebalancing
 
 
80.96
%
 
 
45.88
%
Commissions accrued as a result of creation and redemption activity
 
$
684
 
 
$
4,512
 
Percentage of commissions accrued as a result of creation and redemption activity
 
 
19.04
%
 
 
54.12
%