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RELATED PARTY TRANSACTIONS
 6 Months Ended
Jun. 30, 2012
Related Party Transactions [Abstract]  
Related Party Transactions
RELATED PARTY TRANSACTIONS

Our operations are managed by NuStar GP, LLC, the general partner of our general partner. Under a services agreement between NuStar Energy and NuStar GP, LLC, employees of NuStar GP, LLC perform services for our United States operations. Certain of our wholly owned subsidiaries employ persons who perform services for our international operations. Employees of NuStar GP, LLC provide services to both NuStar Energy and NuStar GP Holdings; therefore, we reimburse NuStar GP, LLC for all costs related to its employees, other than costs associated with NuStar GP Holdings. Related party revenues result from storage agreements between our Turkey subsidiary and the noncontrolling shareholder.

The following table summarizes information pertaining to related party transactions:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2012
 
2011
 
2012
 
2011
 
(Thousands of Dollars)
Revenues
$
788

 
$
407

 
$
1,485

 
$
537

Operating expenses
$
37,101

 
$
36,801

 
$
76,033

 
$
71,910

General and administrative expenses
$
13,360

 
$
16,035

 
$
32,529

 
$
32,983


We had a payable to NuStar GP, LLC of $17.6 million and $6.7 million as of June 30, 2012 and December 31, 2011, respectively, with both amounts representing payroll, employee benefit plan expenses and unit-based compensation. We also had a long-term payable to NuStar GP, LLC as of June 30, 2012 and December 31, 2011 of $15.1 million and $14.5 million, respectively, related to amounts payable for retiree medical benefits and other post-employment benefits.