CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities:
Net income	$ 47,053	$ 35,669
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in earnings of NuStar Energy L.P.	(48,899)	(39,023)
Distributions of equity in earnings from NuStar Energy L.P.	48,899	39,023
Gain on sale of NuStar Energy L.P. limited partner units in connection with unit-based compensation	(567)	(90)
(Benefit) provision for deferred income tax	(472)	551
Changes in current assets and liabilities (Note 6)	10,457	(8,100)
Decrease (increase) in long-term receivable from related party	8,272	(11,503)
(Decrease) increase in long-term liabilities	(8,840)	11,129
Other, net	219	141
Net cash provided by operating activities	56,122	27,797
Cash Flows from Investing Activities:
Distributions in excess of equity in earnings from NuStar Energy L.P.	23,010	33,120
Investment in NuStar Energy L.P.	(18,019)	0
Proceeds from sale of NuStar Energy L.P. units in connection with unit-based compensation	6,464	1,380
Net cash provided by investing activities	11,455	34,500
Cash Flows from Financing Activities:
Proceeds from short-term debt borrowings	26,000	26,000
Repayment of short-term debt	(26,000)	(20,000)
Distributions to unitholders	(69,747)	(69,681)
Proceeds from the exercise of unit options	4,127	0
Other, net	(154)	0
Net cash used in financing activities	(65,774)	(63,681)
Net increase (decrease) in cash and cash equivalents	1,803	(1,384)
Cash and cash equivalents as of the beginning of the period	1,603	2,597
Cash and cash equivalents as of the end of the period	$ 3,406	$ 1,213