Quarterly report pursuant to Section 13 or 15(d)

Other Assets (Details)

v3.7.0.1
Other Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Other Assets [Abstract]    
Deferred turnaround and catalyst cost $ 27,218 $ 34,252
Receivable from supply and offtake agreement (Note 5) 6,290 6,290
Fair value hedge of consigned inventory (Note 3) 5,130 4,389
Other 7,083 8,280
Total other assets $ 45,721 $ 53,211