INVESTMENT IN NUSTAR ENERGY Table 2 (Details) (NuStar Energy [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
NuStar Energy [Member]
Statement of Comprehensive Income (Loss) Information:
Revenues	$ 749,745	$ 902,014	$ 1,598,958	$ 1,900,200
Operating income (loss)	89,354	76,972	170,457	140,330
Income (loss) from continuing operations	57,187	34,712	100,183	54,311
Income (loss) from discontinued operations, net of tax	(1,788)	(1,743)	(5,147)	3,062
Net income (loss)	$ 55,399	$ 32,969	$ 95,036	$ 57,373