v3.26.1
Basis of Presentation and Recently Issued Accounting Standards (Details)
$ in Thousands
Mar. 20, 2026
USD ($)
Jul. 31, 2025
USD ($)
gal
facility
Mar. 31, 2026
USD ($)
Mar. 19, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jul. 30, 2025
Mar. 31, 2025
USD ($)
Business Combination, Separately Recognized Transaction [Line Items]              
Readily marketable inventory     $ 961,300   $ 1,001,300   $ 828,400
Line of credit | Revolving Facility              
Business Combination, Separately Recognized Transaction [Line Items]              
Credit facility, maximum borrowing capacity $ 1,300,000     $ 1,550,000      
Secured Debt | Term Loan Maturing 2031              
Business Combination, Separately Recognized Transaction [Line Items]              
Debt repayment 86,300            
Secured Debt | Term Loan Maturing 2034              
Business Combination, Separately Recognized Transaction [Line Items]              
Credit facility, maximum borrowing capacity $ 170,100            
The Andersons Marathon Holdings LLC              
Business Combination, Separately Recognized Transaction [Line Items]              
Ownership percentage by noncontrolling owners     100.00%     50.10%  
The Andersons Marathon Holdings LLC              
Business Combination, Separately Recognized Transaction [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 Transaction [Line Items]              
Percentage acquired   49.90%          
Consideration for acquisition   $ 425,000