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STATEMENTS OF CASH FLOWS Table 1 (Details) (USD $)
In Thousands
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Decrease (increase) in current assets:  
Receivable from NuStar Energy$ (470)$ (11,854)
Income tax receivable1,1574,993
Other receivables(31)(143)
Other current assets54177
Increase (decrease) in current liabilities:  
Accounts payable274240
Accrued compensation expense(5,109)9,521
Accrued liabilities98(284)
Income tax payable(302)0
Taxes other than income tax(321)(1)
Changes in current assets and liabilities$ (4,650)$ 2,649