Segments - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenue from joint development agreement	$ 1,965	$ 4,528	$ 11,215	$ 12,826
Depreciation and amortization	(3,494)	(4,994)	(12,222)	(14,323)
Loss from operations	(24,008)	(20,726)	(71,178)	(60,498)
Interest income	3,817	5,236	12,504	13,974
Interest expense	(1,107)	(540)	(2,762)	(1,615)
Acquisitions of property, plant, and equipment	9,751	20,884	36,459	61,413
Total assets	603,790		603,790		$ 650,322
Operating Segments | Gevo
Segment Reporting Information [Line Items]
Revenue from joint development agreement	13	11	950	1,729
Depreciation and amortization	(435)	(455)	(1,325)	(1,343)
Loss from operations	(18,226)	(17,382)	(56,410)	(47,284)
Interest income	3,817	5,236	12,504	13,974
Interest expense	(227)	(87)	(557)	(260)
Acquisitions of property, plant, and equipment	9,068	18,998	34,219	55,045
Total assets	495,818		495,818		519,994
Operating Segments | Agri-Energy
Segment Reporting Information [Line Items]
Depreciation and amortization	(2,387)	(2,625)	(7,550)	(7,881)
Loss from operations	(2,950)	(3,114)	(9,505)	(9,503)
Interest expense		(4)	(1)	(12)
Acquisitions of property, plant, and equipment	(60)	216	452	239
Total assets	21,932		21,932		28,818
Operating Segments | Renewable Natural Gas
Segment Reporting Information [Line Items]
Revenue from joint development agreement	1,952	4,517	10,265	11,097
Depreciation and amortization	(672)	(1,914)	(3,347)	(5,099)
Loss from operations	(2,832)	(230)	(5,263)	(3,711)
Interest expense	(880)	(449)	(2,204)	(1,343)
Acquisitions of property, plant, and equipment	743	$ 1,670	1,788	$ 6,129
Total assets	$ 86,040		$ 86,040		$ 101,510