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Debt - Components of Long-Term Debt (Details) - USD ($)
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2021
Feb. 09, 2021
Debt Instrument [Line Items]        
Total book value of long-term debt $ 437,190,000 $ 437,788,000    
Unamortized debt issuance costs 2,836,000 3,210,000    
Less: current maturities of long-term debt (2,118,000) (2,118,000)    
Total long-term debt $ 432,236,000 432,460,000    
Convertible Notes | 2.25% Convertible Notes Due 2027 | Corporate activities        
Debt Instrument [Line Items]        
Interest rate, stated percentage 2.25%   2.25%  
Face amount     $ 230,000,000.0  
Total book value of long-term debt $ 230,000,000 230,000,000    
Unamortized debt issuance costs $ 2,400,000 2,700,000    
$125.0 Million Junior Secured Mezzanine Notes Due 2026 | Green Plains SPE LLC        
Debt Instrument [Line Items]        
Interest rate, stated percentage 11.75%      
Face amount $ 125,000,000.0     $ 125,000,000.0
Total book value of long-term debt 125,000,000 125,000,000    
Unamortized debt issuance costs $ 200,000      
$75.0 Million Loan Agreement | Green Plains Wood River and Green Plains Shenandoah        
Debt Instrument [Line Items]        
Interest rate, stated percentage 5.02%      
Face amount $ 75,000,000.0      
Total book value of long-term debt 71,250,000 71,625,000    
Unamortized debt issuance costs 200,000 300,000    
Other Debt Obligations        
Debt Instrument [Line Items]        
Total book value of long-term debt $ 10,940,000 $ 11,163,000