Fair Value Instruments (Details) - USD ($) | Dec. 31, 2019 | Sep. 30, 2019 |
Soybean | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | $ 10,119,339 | $ 1,426,098 |
Soybean | Fair Value, Measurements, Recurring | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 10,119,339 | 1,426,098 |
Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | 0 |
Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 10,119,339 | 1,426,098 |
Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | 0 |
Future | Corn | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | (3,130,237) | (963,213) |
Future | Corn | Fair Value, Measurements, Recurring | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | (3,130,237) | (963,213) |
Future | Corn | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | (286,725) | 2,685,231 |
Future | Corn | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | (2,843,512) | (3,648,444) |
Future | Corn | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | 0 |
Future | Ethanol | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 63,840 | (81,900) |
Future | Ethanol | Fair Value, Measurements, Recurring | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 63,840 | (81,900) |
Future | Ethanol | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 63,840 | (81,900) |
Future | Ethanol | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | 0 |
Future | Ethanol | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | 0 |
Future | Soybean | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | (176,525) | 221,947 |
Future | Soybean | Fair Value, Measurements, Recurring | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | (176,525) | 221,947 |
Future | Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | (176,525) | 234,875 |
Future | Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | (12,924) |
Future | Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | 0 |
Forward Contracts | Soybean | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 49,100 | (80,955) |
Forward Contracts | Soybean | Fair Value, Measurements, Recurring | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 49,100 | (80,955) |
Forward Contracts | Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 0 | 0 |
Forward Contracts | Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | 49,100 | (80,955) |
Forward Contracts | Soybean | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | |
Derivative assets (liabilities), at fair value, net | $ 0 | $ 0 |