STATEMENTS OF CASH FLOWS Table 1 (Details) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Decrease (increase) in current assets:
Receivable from NuStar Energy	$ (3,790)	$ (13,113)
Income tax receivable	539	(865)
Other receivables	(19)	52
Other current assets	205	251
Increase (decrease) in current liabilities:
Accounts payable	278	203
Accrued compensation expense	(53)	6,246
Accrued liabilities	(33)	(223)
Income tax payable	(302)	0
Taxes other than income tax	(1,041)	(330)
Changes in current assets and liabilities	$ (4,216)	$ (7,779)