XML 58 R47.htm IDEA: XBRL DOCUMENT v3.5.0.2
Gevo Development - Additional Information (Detail) - Gevo Development - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Class Of Stock [Line Items]    
Equity ownership of wholly owned subsidiary 100.00%  
Capital contribution to subsidiaries $ 10.2 $ 7.9