CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows from Operating Activities:
Net income	$ 59,249	$ 47,053
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in earnings of NuStar Energy L.P.	(62,284)	(48,899)
Distributions of equity in earnings from NuStar Energy L.P.	62,284	48,899
Gain on sale of NuStar Energy L.P. limited partner units in connection with unit-based compensation	(536)	(567)
Provision (benefit) for deferred income tax	264	(472)
Changes in current assets and liabilities (Note 6)	3,130	10,457
Decrease in long-term receivable from related party	2,167	8,272
Decrease in long-term liabilities	(2,166)	(8,840)
Other, net	282	219
Net cash provided by operating activities	62,390	56,122
Cash Flows from Investing Activities:
Distributions in excess of equity in earnings from NuStar Energy L.P.	9,661	23,010
Investment in NuStar Energy L.P.	(6,417)	(18,019)
Proceeds from sale of NuStar Energy L.P. units in connection with unit-based compensation	1,956	6,464
Net cash provided by investing activities	5,200	11,455
Cash Flows from Financing Activities:
Proceeds from short-term debt borrowings	0	26,000
Repayment of short-term debt	0	(26,000)
Distributions to unitholders	(70,179)	(69,747)
Proceeds from the exercise of unit options	0	4,127
Other, net	15	(154)
Net cash used in financing activities	(70,164)	(65,774)
Net (decrease) increase in cash and cash equivalents	(2,574)	1,803
Cash and cash equivalents as of the beginning of the period	2,840	1,603
Cash and cash equivalents as of the end of the period	$ 266	$ 3,406