INCOME TAXES Table 2 (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred income tax assets:
Share/option compensation	$ 4,444	$ 6,226
Pension	15,815	8,658
Capital loss	270	0
Other state	1,263	1,027
Net operating loss	1,104	0
Foreign tax credits	20	3
Other employee benefits	0	379
Deferred income tax assets	22,916	16,293
Deferred income tax liabilities:
Investment in Riverwalk Logistics, L.P. and NuStar Energy	(213)	(212)
Other employee benefits	(1,351)	0
Total net deferred income tax assets	$ 21,352	$ 16,081