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RELATED PARTY TRANSACTIONS (Tables)
 6 Months Ended
Jun. 30, 2012
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions [Text Block]
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2012
 
2011
 
2012
 
2011
 
(Thousands of Dollars)
Expenses for payroll, employee benefit plans
and unit-based compensation
$
50,371

 
$
52,766

 
$
108,376

 
$
104,742

Other
90

 
70

 
186

 
151

Total related party transactions charged to
NuStar Energy
$
50,461

 
$
52,836

 
$
108,562

 
$
104,893