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Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 17, 2023
Mar. 18, 2020
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized     5,700,000    
Number of shares remaining available     2,200,000    
Compensation costs expensed     $ 3.1 $ 2.8  
Unrecognized compensation costs     $ 26.0    
Compensation expected to be recognized, weighted-average period in years     2 years 3 months 18 days    
Potential tax benefit, percentage     24.00%    
Green Plains Partners Long-Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized     2,500,000    
Green Plains Partners Long-Term Incentive Plan | Green Plains Partners Merger          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for future issuance (in shares)     1,200,000    
Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Non-vested, shares outstanding (in shares)     538,572   404,740
Vested (in shares)     136,475    
Performance Shares | Share-based Compensation Award, Tranche One          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target percentage     100.00%    
Number of Shares authorized, achievement of maximum goals     1,077,144    
Achievement of maximum goals percentage     200.00%    
Non-vested, shares outstanding (in shares)     538,572    
Performance Shares | Share-based Compensation Award, Tranche Two          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Target percentage   100.00%      
Vested (in shares) 118,673        
Vested target percentage 115.00%        
Issuance of common stock (in shares) 136,475