v2.4.0.8
NET INCOME PER UNIT Table (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Earnings Per Share [Abstract]        
Net income attributable to NuStar Energy L.P. $ 55,514 $ 33,086 $ 95,258 $ 57,651
Less general partner distribution (including IDR) 12,766 12,766 25,532 25,532
Less limited partner distribution 85,285 85,285 170,570 170,570
Distributions in excess of earnings (42,537) (64,965) (100,844) (138,451)
General partner earnings:        
Distributions 12,766 12,766 25,532 25,532
Allocation of distributions in excess of earnings (2%) (851) (1,299) (2,017) (2,768)
Total 11,915 11,467 23,515 22,764
Limited partner earnings:        
Distributions 85,285 85,285 170,570 170,570
Allocation of distributions in excess of earnings (98%) (41,686) (63,666) (98,827) (135,683)
Total $ 43,599 $ 21,619 $ 71,743 $ 34,887
Weighted-average limited partner units outstanding (units) 77,886,078 77,886,078 77,886,078 77,886,078
Net income per unit applicable to limited partners (dollars per unit) $ 0.56 $ 0.28 $ 0.92 $ 0.45