Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Jan. 31, 2022	Jun. 30, 2021
Document Information [Line Items]
Entity Central Index Key	0001392380
Entity Registrant Name	Gevo, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-35073
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	87-0747704
Entity Address, Address Line One	345 Inverness Drive South, Building C, Suite 310
Entity Address, City or Town	Englewood
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80112
City Area Code	303
Local Phone Number	858-8358
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	GEVO
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 1,400,000,000
Entity Common Stock, Shares Outstanding		201,988,662
Auditor Name	GRANT THORNTON LLP
Auditor Location	Denver, Colorado
Auditor Firm ID	248
ICFR Auditor Attestation Flag	true