INVESTMENT IN NUSTAR ENERGY Table 1 (Details) (NuStar Energy [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
NuStar Energy [Member]
Balance Sheet Information:
Current assets	$ 620,792	$ 939,443
Property, plant and equipment, net	3,300,089	3,238,460
Goodwill	948,754	951,024
Other long-term assets, net	543,763	484,162
Total assets	5,413,398	5,613,089
Current liabilities	440,702	845,971
Long-term debt, less current portion	2,469,062	2,124,582
Other long-term liabilities	63,368	57,541
Total liabilities	2,973,132	3,028,094
NuStar Energy partners' equity	2,429,132	2,572,384
Noncontrolling interest	11,134	12,611
Total liabilities and partners’ equity	$ 5,413,398	$ 5,613,089