Gevo Development - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended	12 Months Ended	1 Months Ended	6 Months Ended		1 Months Ended	3 Months Ended		6 Months Ended		109 Months Ended
	Jun. 30, 2014 Securities	Dec. 31, 2012 Warrant Agreement	Sep. 30, 2010 Common Class B	Jun. 30, 2014 Common Class B	Jun. 30, 2014 Common Class B CDP Gevo, LLC	Jan. 31, 2012 Common Class B Co Managing Directors	Jun. 30, 2014 Gevo Development	Jun. 30, 2013 Gevo Development	Jun. 30, 2014 Gevo Development	Jun. 30, 2013 Gevo Development	Jun. 30, 2014 Gevo Development
Class Of Stock [Line Items]
Equity ownership of wholly owned subsidiary	100.00%			100.00%
Outstanding interest rate					10.00%
Number of membership interests outstanding	2
Consideration for exchange of class B interest	$ 1.1
Stock-based compensation expenses related to warrant agreement		2.6	0.8			0.1
Capital contribution to subsidiaries							23.1	4.1	14.8	7.1	132.5
Common stock issued but not subscribed	858,000
Warrant agreement exercise price, fair value	$ 2.70
Warrant expiry period	2016-09
Percentage of warrant shares vested	50.00%
Remaining warrant shares vested period	2 years
Value of warrants issued	$ 14.0