v3.26.1
Intangible Assets and Goodwill - Carrying amount of goodwill (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Goodwill    
Goodwill, beginning of period: $ 43,558,000 $ 3,740,000
Acquisitions: 0 37,815,000
Balance adjustments (post-acquisition working capital adjustments): 0 2,003,000
Goodwill, end of period: 43,558,000 43,558,000
Gevo    
Goodwill    
Goodwill, beginning of period: 3,790,000 3,740,000
Acquisitions: 0 0
Balance adjustments (post-acquisition working capital adjustments): 0 50,000
Goodwill, end of period: 3,790,000 3,790,000
GevoND    
Goodwill    
Goodwill, beginning of period: 39,768,000 0
Acquisitions: 0 37,815,000
Balance adjustments (post-acquisition working capital adjustments): 0 1,953,000
Goodwill, end of period: $ 39,768,000 $ 39,768,000