v3.26.1
Segment Reporting (Details) - Segment
3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2026
Ethanol and By-Products [Member]    
Segment Reporting [Abstract]    
Number of reportable segments 1 1
Ethanol [Member]    
Segment Reporting [Abstract]    
Number of reportable segments 3 3
Majority-Owned Subsidiary, Nonconsolidated [Member] | Ethanol [Member]    
Segment Reporting [Abstract]    
Number of reportable segments 2 2