Derivative Financial Instruments (Details) l in Millions, bu in Millions	3 Months Ended
	Apr. 30, 2023 USD ($) bu l	Apr. 30, 2022 USD ($)	Jan. 31, 2023 USD ($) bu l
Derivative Financial Instruments (Details) [Line Items]
Debt Instrument, Collateral Amount (in Dollars) | $	$ 3,379,000		$ 1,735,000
Gain (Loss) on Derivative Instruments, Net, Sales and Revenue (in Dollars) | $	730,000	$ 322,000
Gain (Loss) on Derivative Instruments, Net, Pretax (in Dollars) | $	$ 5,806,000	$ (11,776,000)
Assets [Member] | Corn [Member]
Derivative Financial Instruments (Details) [Line Items]
Forward Purchase Contracts, Quantity | bu	9.3		5.2
Liability [Member] | Corn [Member]
Derivative Financial Instruments (Details) [Line Items]
Forward Purchase Contracts, Quantity	9.8		12.8
Short/Sell [Member] | Assets [Member] | Corn [Member]
Derivative Financial Instruments (Details) [Line Items]
Commodity Futures, Quantity | bu	5.5		3.2
Short/Sell [Member] | Liability [Member] | Corn [Member]
Derivative Financial Instruments (Details) [Line Items]
Commodity Futures, Quantity | l	3.9		1.4
Long/Buy [Member] | Assets [Member] | Corn [Member]
Derivative Financial Instruments (Details) [Line Items]
Commodity Futures, Quantity | bu	20,000.0		725,000.0