INVESTMENT IN NUSTAR ENERGY Table 1 (Details) - NuStar Energy LP [Member] - $ / shares	Nov. 30, 2017	Apr. 28, 2017	Nov. 25, 2016
NuStar Energy Series A Preferred Units [Member]
Schedule of Equity Method Investments [Line Items]
Preferred limited partner units issued and outstanding by NuStar Energy			9,060,000
NuStar Energy's preferred unit distribution rate			8.50%
NuStar Energy's preferred unit liquidation preference			$ 25.00
NuStar Energy's preferred unit fixed distribution rate per annum			$ 2.125
NuStar Energy's preferred unit floating annual rate			Three-month LIBOR plus 6.766%
NuStar Energy Series B Preferred Units [Member]
Schedule of Equity Method Investments [Line Items]
Preferred limited partner units issued and outstanding by NuStar Energy		15,400,000
NuStar Energy's preferred unit distribution rate		7.625%
NuStar Energy's preferred unit liquidation preference		$ 25.00
NuStar Energy's preferred unit fixed distribution rate per annum		$ 1.90625
NuStar Energy's preferred unit floating annual rate		Three-month LIBOR plus 5.643%
NuStar Energy Series C Preferred Units [Member]
Schedule of Equity Method Investments [Line Items]
Preferred limited partner units issued and outstanding by NuStar Energy	6,900,000
NuStar Energy's preferred unit distribution rate	9.00%
NuStar Energy's preferred unit liquidation preference	$ 25.00
NuStar Energy's preferred unit fixed distribution rate per annum	$ 2.25
NuStar Energy's preferred unit floating annual rate	Three-month LIBOR plus 6.88%