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Basis of Presentation and Recently Issued Accounting Standards (Details)
$ in Millions
Jul. 31, 2025
USD ($)
gal
facility
Sep. 30, 2025
Jul. 30, 2025
The Andersons Marathon Holdings LLC      
Business Combination, Separately Recognized Transactions [Line Items]      
Ownership percentage by noncontrolling owners   100.00% 50.10%
The Andersons Marathon Holdings LLC      
Business Combination, Separately Recognized Transactions [Line Items]      
Number of ethanol production facilities | facility 4    
Annual production capacity of ethanol facilities | gal 500,000,000    
The Andersons Marathon Holdings LLC      
Business Combination, Separately Recognized Transactions [Line Items]      
Percentage acquired 49.90%    
Consideration for acquisition | $ $ 425.0