INVESTMENT IN NUSTAR ENERGY Table 1 (Details) (NuStar Energy [Member], USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
NuStar Energy [Member]
Balance Sheet Information:
Current assets	$ 1,315,356	$ 939,507
Property, plant and equipment, net	3,361,852	3,187,457
Goodwill	848,949	813,270
Other long-term assets, net	370,551	446,159
Total assets	5,896,708	5,386,393
Current liabilities	885,327	393,229
Long-term debt, less current portion	2,186,260	2,136,248
Other long-term liabilities	166,155	154,216
Total liabilities	3,237,742	2,683,693
NuStar Energy partners' equity	2,644,221	2,702,700
Noncontrolling interest	14,745	0
Total liabilities and partners’ equity	$ 5,896,708	$ 5,386,393

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Equity method investee's carrying amount of goodwill as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Equity method investee's tangible assets that are held for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, and production equipment.

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