DEFERRED CHARGES AND OTHER ASSETS, NET (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred turnaround costs, net	$ 119,383,000	$ 78,128,000
Catalyst	88,964,000	66,377,000
Deferred financing costs, net	26,541,000	30,987,000
Restricted cash	12,117,000	12,114,000
Linefill	9,636,000	8,042,000
Intangible assets, net	653,000	1,085,000
Other	5,185,000	616,000
Deferred charges and other assets	262,479,000	197,349,000
Amortization expense	32,066,000	27,291,000	13,776,000
Intangible Assets, Net [Abstract]
Gross amount	3,597,000	3,597,000
Accumulated amortization	(2,944,000)	(2,512,000)
Net amount	$ 653,000	$ 1,085,000