NET SALES AND REVENUE - Schedule of Disaggregated Revenue by Product (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue by Product	$ 650,487	$ 642,491	$ 833,384
Ethanol [Member]
Disaggregation of Revenue [Line Items]
Revenue by Product	504,416	496,411	635,420
Dried Distillers Grains [Member]
Disaggregation of Revenue [Line Items]
Revenue by Product	88,156	101,432	139,173
Distillers Corn Oil [Member]
Disaggregation of Revenue [Line Items]
Revenue by Product	52,382	38,999	52,935
Modified Distillers Grains [Member]
Disaggregation of Revenue [Line Items]
Revenue by Product	5,388	4,896	5,584
Derivative Financial Instrument (Losses) Gains [Member]
Disaggregation of Revenue [Line Items]
Revenue by Product	(254)	424	(37)
Other[Member]
Disaggregation of Revenue [Line Items]
Revenue by Product	$ 399	$ 329	$ 309

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details