Basis of Presentation and Nature of the Business (Details) $ in Thousands, gal in Millions	3 Months Ended		27 Months Ended
	Mar. 31, 2017 USD ($) facility gal	Mar. 31, 2016 USD ($)	Mar. 31, 2017 USD ($) gal	Dec. 31, 2016 USD ($)	Mar. 15, 2016 gal
Class of Stock [Line Items]
Number of biorefineries	14
Number of operating biomass-based diesel production facilities	13
Production capacity per year | gal	502		502
Number of feedstock processing facilities	1
Number of multi-feedstock capable plants	9
BTC Revenue | $	$ 16,941	$ 58,401
Deferred revenue | $	18,942		$ 18,942	$ 27,246
Biodiesel Mixture Excise Tax Credit
Class of Stock [Line Items]
BTC Revenue | $	$ 16,660		$ 79,101
Deferred revenue | $				$ 26,897
Sanimax Energy, LLC
Class of Stock [Line Items]
Production capacity per year | gal	20		20		20
North America
Class of Stock [Line Items]
Number of biorefineries	12
Europe
Class of Stock [Line Items]
Number of biorefineries	2