REVENUE - Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Revenue Recognition
Total Revenues	$ 14,165,041	$ 27,367,787	$ 56,450,290	$ 78,560,104
Payment terms			10 days
Ethanol production
Revenue Recognition
Total Revenues	14,039,050	27,267,156	$ 55,398,270	77,487,200
Natural gas pipeline
Revenue Recognition
Total Revenues	125,991	100,631	1,052,020	1,072,904
Ethanol
Revenue Recognition
Total Revenues	11,920,049	21,645,992	43,306,209	60,083,968
Ethanol | Ethanol production
Revenue Recognition
Total Revenues	11,920,049	21,645,992	43,306,209	60,083,968
Distillers' Grains
Revenue Recognition
Total Revenues	1,645,859	4,371,122	9,481,770	13,939,013
Distillers' Grains | Ethanol production
Revenue Recognition
Total Revenues	1,645,859	4,371,122	9,481,770	13,939,013
Corn Oil
Revenue Recognition
Total Revenues	401,623	930,041	2,051,049	2,619,651
Corn Oil | Ethanol production
Revenue Recognition
Total Revenues	401,623	930,041	2,051,049	2,619,651
Other
Revenue Recognition
Total Revenues	71,519	320,001	559,242	844,568
Other | Ethanol production
Revenue Recognition
Total Revenues	71,519	320,001	559,242	844,568
Natural Gas
Revenue Recognition
Total Revenues	125,991	100,631	$ 1,052,020	1,072,904
Payment terms			20 days
Natural Gas | Natural gas pipeline
Revenue Recognition
Total Revenues	$ 125,991	$ 100,631	$ 1,052,020	$ 1,072,904