INVESTMENT IN NUSTAR ENERGY Table 2 (Details) (NuStar Energy [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
NuStar Energy [Member]
Statement of Comprehensive Income (Loss) Information:
Revenues	$ 780,010	$ 1,593,756	$ 2,683,916	$ 4,970,909
Operating income (loss)	65,874	59,352	199,379	(86,537)
Income (loss) from continuing operations	33,236	13,965	81,540	(192,549)
Income (loss) from discontinued operations, net of tax	0	(9,623)	9,069	(23,665)
Net income (loss)	$ 33,236	$ 4,342	$ 90,609	$ (216,214)