Segments - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 89	$ 346	$ 321	$ 359
Loss from operations	(16,115)	(19,098)	(32,070)	(29,056)
Acquisitions of property, plant and equipment	20,473	14,418	39,251	19,850
Total assets	774,611		774,611		$ 666,476
Operating Segments | Gevo
Segment Reporting Information [Line Items]
Revenues	18	346	81	359
Loss from operations	(13,025)	(11,915)	(25,149)	(19,678)
Acquisitions of property, plant and equipment	11,870	588	16,308	841
Total assets	601,313		601,313		484,528
Operating Segments | Agri-Energy
Segment Reporting Information [Line Items]
Revenues	71	0	240	0
Loss from operations	(3,113)	(7,183)	(6,921)	(9,310)
Acquisitions of property, plant and equipment	328	1,898	4,275	1,908
Total assets	64,940		64,940		64,008
Operating Segments | Renewable Natural Gas
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Loss from operations	23	0	0	(68)
Acquisitions of property, plant and equipment	8,275	$ 11,932	18,668	$ 17,101
Total assets	$ 108,358		$ 108,358		$ 117,940