INVESTMENT IN NUSTAR ENERGY Table 2 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement of Income (Loss) Information:
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	$ 703	$ (2,344)	$ 9,069	$ (14,042)
NuStar Energy [Member]
Statement of Income (Loss) Information:
Revenues	904,196	1,767,748	1,903,906	3,377,153
Operating income (loss)	74,043	(204,908)	133,505	(145,889)
Equity Method Investment, Summarized Financial Information, Income (Loss) from Continuing Operations before Extraordinary Items	32,266	(244,466)	48,304	(206,514)
Net income (loss)	$ 32,969	$ (246,810)	$ 57,373	$ (220,556)