Derivative Financial Instruments - Open Position Derivative Financial Instruments (Details) contract in Thousands	Sep. 30, 2022 contract
Corn | Exchange Traded | Long | Cash Flow Hedging | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	15,105
Corn | Exchange Traded | Short | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	20,605
Corn | Exchange Traded | Short | Fair Value Hedging | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	1,290
Corn | Non-Exchange Traded | Long | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	27,808
Corn | Non-Exchange Traded | Short | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	18
Ethanol | Exchange Traded | Short | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	(3,150)
Ethanol | Exchange Traded | Short | Cash Flow Hedging | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	44,100
Ethanol | Non-Exchange Traded | Long | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	1,989
Ethanol | Non-Exchange Traded | Short | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	241,680
Natural Gas | Exchange Traded | Long | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	(7,420)
Natural Gas | Exchange Traded | Long | Cash Flow Hedging | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	6,420
Natural Gas | Exchange Traded | Short | Fair Value Hedging | Futures
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	6,210
Natural Gas | Exchange Traded | Short | Fair Value Hedging | Equity Option
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	56
Natural Gas | Non-Exchange Traded | Long | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	25,041
Natural Gas | Non-Exchange Traded | Short | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	516
Distillers Grains in Tons | Non-Exchange Traded | Long | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	95
Distillers Grains in Tons | Non-Exchange Traded | Short | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	361
Corn Oil | Non-Exchange Traded | Long | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	0
Corn Oil | Non-Exchange Traded | Short | Forwards
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	57,205
Soybean Oil in Pounds | Exchange Traded | Long | Fair Value Hedging | Equity Option
Derivative [Line Items]
Open commodity derivative positions, long (short) (in contracts)	(6,204)