v2.4.0.6

NET INCOME PER UNIT Table (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Schedule Of Net Income Per Unit [Line Items]
Net income attributable to NuStar Energy L.P.	$ 26,351	$ 28,502
Less general partner distribution (including IDR)	11,598	10,160
Less limited partner distribution	77,478	69,456
Distributions greater than earnings	(62,725)	(51,114)
General partner earnings:
Distributions	11,598	10,160
Allocation of distributions greater than earnings (2%)	(1,255)	(1,023)
Total	10,343	9,137
Limited partner earnings:
Limited partners' distribution	77,478	69,456
Allocation of distributions greater than earnings (98%)	(61,470)	(50,091)
Total	$ 16,008	$ 19,365
Weighted-average limited partner units outstanding	70,756,078	64,610,549
Net income per unit applicable to limited partners	$ 0.23	$ 0.30

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