ACQUISITIONS (Details) (USD $)			1 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jul. 31, 2012 Perth Amboy Marine Terminal Facility
Acquisition cost
Purchase price, cash			$ 260,300,000
Assets acquired and liabilities assumed
Current assets			547,000
Property, plant and equipment			198,091,000
Intangible assets			13,350,000
Goodwill	812,297,000	818,121,000	59,197,000
Environmental liabilities			(10,873,000)
Allocated purchase price			$ 260,312,000