DISTRIBUTIONS FROM NUSTAR ENERGY Table 1 (Details) - NuStar Energy LP [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
The allocation of NuStar Energy’s cash distributions earned for the periods indicated among its general and limited partners
General partner interest					$ 9,252	$ 7,877	$ 7,844
General partner incentive distribution rights					45,669	43,407	43,220
Total general partner distribution					54,921	51,284	51,064
Common limited partner distribution					44,740	44,699	45,073
Total distributions to NuStar GP Holdings					99,661	95,983	96,137
Public common limited partners’ distribution					362,941	297,899	296,067
Total cash distributions	$ 115,267	$ 115,084	$ 115,083	$ 117,168	$ 462,602	$ 393,882	$ 392,204
Cash distributions per unit applicable to common limited partners	$ 1.095	$ 1.095	$ 1.095	$ 1.095	$ 4.380	$ 4.38	$ 4.380