Consolidated Statements of Changes in Members' Equity - USD ($)	Class A units	Class B units	Members' Equity attributable to Heron Lake BioEnergy LLC	Noncontrolling Interest	Total
Balance at Oct. 31, 2016			$ 53,499,596	$ 1,245,424	$ 54,745,020
Balance (in units) at Oct. 31, 2016	62,932,107	15,000,000
Increase (Decrease) in Stockholders' Equity
Net income attributable to non-controlling interest				247,638	247,638
Net income (loss) attributable to Heron Lake BioEnergy, LLC			7,268,355		7,268,355
Balance at Oct. 31, 2017			60,767,951	1,493,062	62,261,013
Balance (in units) at Oct. 31, 2017	62,932,107	15,000,000
Increase (Decrease) in Stockholders' Equity
Member Distributions			(8,568,321)	(81,000)	(8,649,321)
Net income attributable to non-controlling interest				311,777	311,777
Net income (loss) attributable to Heron Lake BioEnergy, LLC			855,216		855,216
Balance at Oct. 31, 2018			53,054,846	1,723,839	$ 54,778,685
Balance (in units) at Oct. 31, 2018	62,932,107	15,000,000			77,932,107
Increase (Decrease) in Stockholders' Equity
Net income attributable to non-controlling interest				277,736	$ 277,736
Net income (loss) attributable to Heron Lake BioEnergy, LLC			(5,455,570)		(5,455,570)
Balance at Oct. 31, 2019			$ 47,599,276	$ 2,001,575	$ 49,600,851
Balance (in units) at Oct. 31, 2019	62,932,107	15,000,000			77,932,107