Gevo Development - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Class Of Stock [Line Items]
Intercompany loans, description	In addition, under the terms of the Amended Agri-Energy Loan Agreement with TriplePoint, as amended, subject to certain limited exceptions, Agri-Energy is only permitted to pay dividends if all principal balances due to TriplePoint have been paid.
CDP Gevo, LLC
Class Of Stock [Line Items]
Number of shares of common stock exercisable for warrants	57,200
Warrant , Exercise Price	$ 40.50
Warrants, Expiration date	Sep. 30, 2016
Gevo Development
Class Of Stock [Line Items]
Equity ownership of wholly owned subsidiary	100.00%
Capital contribution to subsidiaries	$ 8.3	$ 7.9