INVESTMENT IN NUSTAR ENERGY Table 2 (Details) (NuStar Energy [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
NuStar Energy [Member]
Statement of Comprehensive Income (Loss) Information:
Revenues	$ 849,213	$ 998,186
Operating income (loss)	81,103	63,358
Income (loss) from continuing operations	42,996	19,599
Income (loss) from discontinued operations, net of tax	(3,359)	4,805
Net income (loss)	$ 39,637	$ 24,404