DEFERRED CHARGES AND OTHER ASSETS, NET (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred turnaround costs, net	$ 77,656	$ 78,128
Catalyst	68,374	66,377
Deferred financing costs, net	27,929	30,987
Restricted cash	12,116	12,114
Linefill	9,636	8,042
Intangible assets, net	761	1,085
Other	5,482	616
Deferred charges and other assets	$ 201,954	$ 197,349