DISTRIBUTIONS FROM NUSTAR ENERGY Narrative (Details) (NuStar Energy [Member], USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
NuStar Energy [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment Distribution Made to Member or Limited Partner, Distribution Date	May 10, 2013
Distributions from NuStar Energy (dates and totals)
Quarterly cash distribution, date paid	Aug. 09, 2013
NuStar Energy's total cash distribution, paid	$ 98,100,000
Quarterly cash distribution per unit	$ 1.095	$ 1.095	$ 2.190	$ 2.190
Distribution Made to Member or Limited Partner, Anouncement Date	Jul. 26, 2013
Distributions, date of record	Aug. 05, 2013
NuStar Energy's total cash distribution, earned	$ 98,051,000	$ 89,076,000	$ 196,102,000	$ 178,152,000