CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows from Operating Activities:
Net income	$ 79,333	$ 49,069
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in earnings of NuStar Energy L.P.	(41,252)	(49,425)
Distributions of equity in earnings from NuStar Energy L.P.	41,252	49,425
Gain related to NuStar Energy L.P.’s issuance of common limited partner units	(41,603)	(2,142)
Gain on sale of NuStar Energy L.P. common limited partner units in connection with unit-based compensation	0	(613)
Unit-based compensation expense	615	460
Amortization of deferred debt costs	134	126
Deferred income tax benefit	(197)	(63)
Changes in current assets and liabilities (Note 6)	(286)	(3,532)
Increase in long-term receivable from related party	0	(899)
Increase in long-term liabilities	0	1,183
Net cash provided by operating activities	37,996	43,589
Cash Flows from Investing Activities:
Distributions in excess of equity in earnings from NuStar Energy L.P.	33,658	22,431
Investment in NuStar Energy L.P.	(13,597)	(737)
Proceeds from sale of NuStar Energy L.P. common units in connection with unit-based compensation	0	1,319
Net cash provided by investing activities	20,061	23,013
Cash Flows from Financing Activities:
Proceeds from short-term debt borrowings	15,500	4,000
Repayment of short-term debt	(3,000)	0
Distributions to unitholders	(70,225)	(70,192)
Other, net	(321)	(84)
Net cash used in financing activities	(58,046)	(66,276)
Net increase in cash and cash equivalents	11	326
Cash and cash equivalents as of the beginning of the period	207	34
Cash and cash equivalents as of the end of the period	$ 218	$ 360