INVESTMENT IN NUSTAR ENERGY Table 1 (Details) (NuStar Energy [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
NuStar Energy [Member]
Balance Sheet Information:
Current assets	$ 509,739	$ 633,549
Property, plant and equipment, net	3,320,118	3,310,653
Goodwill	617,429	617,429
Other non-current assets	467,348	470,555
Total assets	4,914,634	5,032,186
Current liabilities	281,405	392,572
Long-term debt	2,710,117	2,655,553
Other non-current liabilities	79,628	80,267
Total liabilities	3,071,150	3,128,392
NuStar Energy partners' equity	1,842,378	1,902,136
Noncontrolling interest	1,106	1,658
Total liabilities and partners’ equity	$ 4,914,634	$ 5,032,186