Subsequent Events
 12 Months Ended
Dec. 31, 2015
Subsequent Events [Abstract]  
Subsequent Events
SUBSEQUENT EVENTS
Distribution to Partners
On February 4, 2016, the board of directors of USD Partners GP LLC, acting in its capacity as our general partner, declared a cash distribution payable of $0.30 per unit, or $1.20 per unit on an annualized basis, for the three months ended December 31, 2015. The distribution represents an increase of $0.0075 per unit or 2.6% over the prior quarter and 4.3% relative to the minimum quarterly distribution. We paid the distribution on February 19, 2016, to unitholders of record at the close of business on February 15, 2016. We paid $3.3 million to our public common unitholders, $56 thousand to the Class A unitholders, an aggregate of $3.5 million to USDG as the holder of our common units and our subordinated units and $138 thousand to USD Partners GP LLC for their general partner interest.

Long-term Incentive Plan
On February 16, 2016, and March 2, 2016 awards of 118,198 Phantom Units vested. The following table provides details of these vested awards:
 
Phantom Units Vested
 
Common Units Issued (1) 
 
Cash Paid (2)
U.S. domiciled directors and independent consultants
20,442

 
20,442

 
$
—

U.S. domiciled employee
87,500

 
75,468

 
—

Canadian domiciled directors and independents consultant
10,256

 
—

 
64,305

 
118,198

 
95,910

 
$
64,305


    
(1) 
Upon vesting, one common unit is issued for each equity classified Phantom Unit that vests. Employees have the option of using a portion of their vested Phantom Units to satisfy any tax liability resulting from the vesting and as a result, the actual number of common units issued may be less than the number of phantom units that vest.
(2) 
Each Liability-classified Phantom Unit that vests is redeemed in cash for an amount equivalent to the closing market price of one of our common units on the vesting date, which was $6.27.

In February 2016, the board of directors of USD Partners GP LLC, acting in its capacity as our general partner approved the grant of 574,873 Phantom Units to directors and employees of our general partner and its affiliates under the LTIP. The Phantom Units are subject to all of the terms and conditions of the LTIP and the Phantom Unit award agreements, or the Award Agreements. Following the February 2016 Phantom Unit grant, we have approximately 704 thousand Phantom Units available for grant pursuant to the LTIP. Phantom Unit awards generally represent rights to receive our common units, or with respect to awards granted to individuals domiciled in Canada, cash equal to the fair value of our common units, upon vesting. The Award Agreements granted to employees of our general partner generally vest in four equal annual installments. Awards to independent directors of the board of our general partner vest over a one year period following the grant date.

Class A units
On February 22, 2016, pursuant to the terms set forth in our partnership agreement, the first tranche of 46,250 Class A units vested. We determined the Class A unit conversion amount to be one of our common units for each vested Class A unit based upon our distributions paid for the four preceding quarters. As a result, 46,250 Class A units were converted into 46,250 common units.
Subordinated Units
On February 22, 2016, pursuant to the terms set forth in our partnership agreement, we converted the first tranche of 2,092,709 of our subordinated units into common units upon satisfaction of the conditions established for conversion.

Revolving Credit Facility Borrowing
On February 12, 2016, we borrowed an additional $5 million under the terms of our existing $300 million Revolving Credit Facility. Our borrowings under the Revolving Credit Facility bear interest at either a base rate and Canadian prime rate plus an applicable margin ranging from 1.25% to 2.25%, or at LIBOR or CDOR plus an applicable margin ranging from 2.25% to 3.25%. The Revolving Credit Facility agreement, as amended, provides for borrowings of up to $300 million and expires on October 15, 2019. Subsequent to this borrowing, we have approximately $206 million outstanding on our Revolving Credit Facility.