INVESTMENT IN NUSTAR ENERGY Table 1 (Details) (NuStar Energy [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
NuStar Energy [Member]
Balance Sheet Information:
Current assets	$ 820,648	$ 939,443
Property, plant and equipment, net	3,239,555	3,238,460
Goodwill	950,586	951,024
Long-term receivable from related party	159,200	95,711
Other long-term assets, net	377,041	388,451
Total assets	5,547,030	5,613,089
Current liabilities	846,370	845,971
Long-term debt, less current portion	2,136,072	2,124,582
Other long-term liabilities	55,408	57,541
Total liabilities	3,037,850	3,028,094
NuStar Energy partners' equity	2,497,017	2,572,384
Noncontrolling interest	12,163	12,611
Total liabilities and partners’ equity	$ 5,547,030	$ 5,613,089