MEMBERS' EQUITY Table 2 (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Total comprehensive income
Net income	$ 18,362	$ 17,777	$ 50,606	$ 57,156
Share of NuStar Energy’s other comprehensive (loss) income	(21,687)	1,036	(25,247)	(415)
Pension and other postretirement benefit plan adjustments, net	134	149	404	455
Comprehensive (loss) income	$ (3,191)	$ 18,962	$ 25,763	$ 57,196