Segments - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenue from joint development agreement	$ 5,260	$ 4,238	$ 9,250	$ 8,298
Depreciation and amortization	(4,277)	(4,754)	(8,728)	(9,329)
Loss from operations	(24,029)	(18,915)	(47,170)	(39,772)
Interest income	4,118	5,050	8,687	8,738
Interest expense	(1,113)	(536)	(1,655)	(1,075)
Acquisitions of property, plant, and equipment	9,196	18,436	26,708	40,529
Total assets	617,914		617,914		$ 650,322
Operating Segments | Gevo
Segment Reporting Information [Line Items]
Revenue from joint development agreement	937	1,321	937	1,718
Depreciation and amortization	(435)	(450)	(890)	(888)
Loss from operations	(18,539)	(14,403)	(38,184)	(29,902)
Interest income	4,118	5,050	8,687	8,738
Interest expense	(237)	(85)	(330)	(173)
Acquisitions of property, plant, and equipment	8,646	15,411	25,151	36,047
Total assets	493,727		493,727		519,994
Operating Segments | Agri-Energy
Segment Reporting Information [Line Items]
Depreciation and amortization	(2,541)	(2,627)	(5,163)	(5,256)
Loss from operations	(3,283)	(3,242)	(6,555)	(6,389)
Interest expense	(1)	(4)	(1)	(8)
Acquisitions of property, plant, and equipment	38	23	512	23
Total assets	24,398		24,398		28,818
Operating Segments | Renewable Natural Gas
Segment Reporting Information [Line Items]
Revenue from joint development agreement	4,323	2,917	8,313	6,580
Depreciation and amortization	(1,301)	(1,677)	(2,675)	(3,185)
Loss from operations	(2,207)	(1,270)	(2,431)	(3,481)
Interest expense	(875)	(447)	(1,324)	(894)
Acquisitions of property, plant, and equipment	512	$ 3,002	1,045	$ 4,459
Total assets	$ 99,789		$ 99,789		$ 101,510