MEMBERS' EQUITY Table 1 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
AccumulatedOtherComprehensiveIncomeLoss [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	$ (32,022)
Other comprehensive income (loss)	40,963	(9,357)	(23,136)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	8,941	(32,022)
Share of NuStar Energy's Other Comprehensive Income [Member]
AccumulatedOtherComprehensiveIncomeLoss [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(8,743)	(4,446)	8,134
Other comprehensive income (loss) before reclassification adjustments	(674)	(4,297)	(12,580)
Amounts reclassified to general and administrative expenses (a)	0	0	0
Other comprehensive income (loss)	(674)	(4,297)	(12,580)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(9,417)	(8,743)	(4,446)
Pension and Other Postretirement Benefit Plan Adjustments, Net of Tax [Member]
AccumulatedOtherComprehensiveIncomeLoss [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(23,279)	(18,219)	(7,663)
Other comprehensive income (loss) before reclassification adjustments	39,596	(6,574)	(11,094)
Amounts reclassified to general and administrative expenses (a)	2,041	1,514	538
Other comprehensive income (loss)	41,637	(5,060)	(10,556)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	18,358	(23,279)	(18,219)
Accumulated Other Comprehensive Income (Loss) [Member]
AccumulatedOtherComprehensiveIncomeLoss [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(32,022)	(22,665)	471
Other comprehensive income (loss) before reclassification adjustments	38,922	(10,871)	(23,674)
Amounts reclassified to general and administrative expenses (a)	2,041	1,514	538
Other comprehensive income (loss)	40,963	(9,357)	(23,136)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	$ 8,941	$ (32,022)	$ (22,665)