INVESTMENT IN NUSTAR ENERGY Narrative (Details) - NuStar Energy [Member]	Jan. 02, 2015	Feb. 26, 2014
Axeon [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment percent voting interest sold		50.00%
Ownership percentage by acquiring entity		100.00%
Linden Acquisition [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment acquisition, ownership interest before transaction	50.00%
Equity method investment acquisition, ownership interest after transaction	100.00%