v3.26.1
Segment Reporting - Reportable Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Jan. 31, 2026
Segment Reporting [Abstract]      
Net sales and revenue $ 156,499 $ 158,340  
Production tax credit income 7,549 0 $ 31,723
Ethanol and by-products:      
Cost of sales 134,977 143,998  
Gross profit      
Gross profit 29,071 14,342 125,429
Depreciation and amortization expense      
Depreciation and amortization expense 6,710 5,019  
Income before taxes      
Income before taxes 26,115 13,626 120,295
Provision for income taxes (4,437) (2,954) (21,587)
Total consolidated net income 21,678 10,672 $ 98,708
Ethanol and By-Products [Member]      
Segment Reporting [Abstract]      
Net sales and revenue 426,209 430,643  
Production tax credit income 27,441 0  
Gross profit      
Gross profit 74,176 28,592  
Depreciation and amortization expense      
Depreciation and amortization expense 13,196 10,239  
Income before taxes      
Income before taxes 68,802 25,362  
Equity Method Ethanol Investment [Member]      
Segment Reporting [Abstract]      
Net sales and revenue (269,710) (272,303)  
Production tax credit income (19,892) 0  
Ethanol and by-products:      
Cost of sales (244,497) (258,053)  
Gross profit      
Gross profit (45,105) (14,250)  
Depreciation and amortization expense      
Depreciation and amortization expense (6,486) (5,220)  
Income before taxes      
Income before taxes (42,687) (11,736)  
Corn [Member]      
Ethanol and by-products:      
Cost of sales 264,599 280,365  
Other Cost of Sales [Member]      
Ethanol and by-products:      
Cost of sales [1] $ 114,875 $ 121,686  
[1] Expenses within “Other cost of sales” consist primarily of depreciation, other raw materials, third-party freight charges, purchasing and receiving costs, inspection costs, other distribution expenses, warehousing costs, plant repair and maintenance costs, production labor and related payroll costs, and general facility overhead charges.