DISTRIBUTIONS FROM NUSTAR ENERGY Table 2 (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Distributions from NuStar Energy (dates and totals)
NuStar Energy's Distibution announcement date (distribution earned)	Jul. 25, 2014
NuStar Energy [Member]
Distributions from NuStar Energy (dates and totals)
NuStar Energy's Cash distributions per unit applicable to limited partners (distribution earned)	$ 1.095	$ 1.095	$ 1.095	$ 1.095	$ 2.190	$ 2.190
NuStar Energy's Total cash distributions (distribution earned)	$ 98,051	$ 98,051	$ 98,051	$ 98,051	$ 196,102	$ 196,102
NuStar Energy's Distribution date of record (distribution earned)	Aug. 06, 2014	May 07, 2014	Feb. 10, 2014
NuStar Energy's Distribution payment date (distribution earned)	Aug. 11, 2014	May 12, 2014	Feb. 14, 2014