Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Other Assets [Abstract]
Deferred debt issuance costs	$ 6,247	$ 7,782
Receivable from supply agreement	6,290	6,290
Deferred turnaround and catalyst cost	58,357	7,774
Other	9,077	9,420
Total other assets	$ 79,971	$ 31,266