INVESTMENT IN NUSTAR ENERGY Table 2 (Details) - NuStar Energy [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income Information:
Revenues	$ 493,566	$ 794,422	$ 1,619,121	$ 2,393,380
Operating income	100,994	95,098	292,680	265,555
Income from continuing operations	65,016	59,117	246,466	159,300
Income (loss) from discontinued operations, net of tax	0	2,831	774	(2,316)
Net income	$ 65,016	$ 61,948	$ 247,240	$ 156,984