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, 2018			$ 53,054,846	$ 1,723,839	$ 54,778,685
Balance (in units) at Oct. 31, 2018	62,932,107	15,000,000
Increase (Decrease) in Stockholders' Equity
Net income attributable to non-controlling interest				277,736	277,736
Net 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
Increase (Decrease) in Stockholders' Equity
Acquisition of non-controlling interest			(155,598)	(2,069,402)	$ (2,225,000)
Net income attributable to non-controlling interest				$ 67,827	67,827
Net loss attributable to Heron Lake BioEnergy, LLC			(14,318,810)		(14,318,810)
Balance at Oct. 31, 2020			$ 33,124,868		$ 33,124,868
Balance (in units) at Oct. 31, 2020	62,932,107	15,000,000			77,932,107