INVESTMENT IN NUSTAR ENERGY Table 2 (Details) (NuStar Energy [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
NuStar Energy [Member]
Statement of Comprehensive Income Information:
Revenues	$ 794,422	$ 778,145	$ 2,393,380	$ 2,678,345
Operating income	95,098	68,751	265,555	209,081
Income from continuing operations	59,117	35,682	159,300	89,993
Income (loss) from discontinued operations, net of tax	2,831	(2,446)	(2,316)	616
Net income	$ 61,948	$ 33,236	$ 156,984	$ 90,609