Annual report pursuant to Section 13 and 15(d)

Derivative Instruments - Gains (Losses) included in the Statements of Operations (Details)

v3.7.0.1
Derivative Instruments - Gains (Losses) included in the Statements of Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Cost of goods sold – Biomass-based diesel | Commodity derivatives      
Derivative Instruments, Gain (Loss) [Line Items]      
Pre-tax gains (losses) included in the condensed consolidated statement of operations $ (35,386) $ 35,983 $ 61,631