Reverse Recapitalization - Summary of Identifiable Liabilities of BioFuel Retained (Details) - Reverse Recapitalization $ in Thousands	Oct. 27, 2014 USD ($)
Business Acquisition [Line Items]
Cash	$ 31,916
Deferred tax assets	65,020
Deferred tax assets valuation allowance	(1,161)
Other assets	591
Debt	(150,000)
Other liabilities	(312)
Net liabilities acquired	$ (53,946)