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Commitments and Contingencies (Details) lb in Millions, gal in Millions, bu in Millions, MMBTU in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2026 USD ($) MMBTU T lb bu gal	Jul. 31, 2025 USD ($)	Jul. 31, 2026 USD ($) MMBTU T lb bu gal	Jul. 31, 2025 USD ($)
Commitments and Contingencies [Abstract]
Liabilities related to probable and reasonable estimable loss			$ 0
One Earth Energy And Nu Gen Energy [Member]
Commitments and Contingencies [Abstract]
Forward purchase contracts, quantity (in US Bushels) \| bu	15.6		15.6
Quantity of natural gas under sales commitment (in Millions of British Thermal Units) \| MMBTU	1.7		1.7
Quantity of ethanol under sales commitment (in US Gallons) \| gal	51.7		51.7
Quantity of distillers grains under sales commitment (in US Tons) \| T	106,400		106,400
Quantity of non-food grade corn oil under sales commitments (in Pounds) \| lb	19.7		19.7
One Earth Energy [Member]
Commitments and Contingencies [Abstract]
Long-term purchase commitment, amount	$ 88,000	$ 88,000	$ 176,000	$ 176,000
Remaining future payment	6,000,000		$ 6,000,000
Renewal Member \| One Earth Energy [Member]
Commitments and Contingencies [Abstract]
Lease expiration period			15 years
Installment amount	$ 29,250		$ 29,250