Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Condensed Statements of Operations [Abstract]
Revenues	$ 52,802,058	$ 50,974,398	$ 107,378,122	$ 101,976,052
Cost of Goods Sold	48,845,558	48,700,701	96,576,715	98,269,478
Gross Profit	3,956,500	2,273,697	10,801,407	3,706,574
Operating Expenses	1,584,534	1,489,496	3,191,755	2,890,342
Operating Income	2,371,966	784,201	7,609,652	816,232
Other Income (Expense)
Other income, net	19,979	31,128	410,873	98,807
Interest income	5,060	1,737	6,885	4,536
Interest expense	(33,997)	(104,678)	(75,607)	(180,642)
Total other income (expense), net	(8,958)	(71,813)	342,151	(77,299)
Net Income	2,363,008	712,388	7,951,803	738,933
Less: Net Income Attributable to Non-controlling Interest	(515,531)	(12,874)	(1,944,536)	(27,893)
Net Income Attributable to Granite Falls Energy, LLC	$ 1,847,477	$ 699,514	$ 6,007,267	$ 711,040
Weighted Average Units Outstanding - Basic and Diluted	30,606	30,606	30,606	30,606
Net Income Per Unit - Basic and Diluted	$ 60.36	$ 22.86	$ 196.28	$ 23.23
Distributions Per Unit - Basic and Diluted			$ 365.00	$ 315.00