Percentage of actual capital expenditures for construction projects, excluding capitalized market costs.

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The agreed monthly fee reduction per management and operating agreement.

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The amount paid for the monthly base fee.

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The amount paid for the monthly variable customer management fees.

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The amount of early contract termination fees included in liabilities subject to compromise.

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The cash outflow for project management and capital work fees during the period.

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Amount of project management and capital work fees recorded during the period.

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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RELATED PARTY TRANSACTIONS - (Details) - USD ($)	1 Months Ended	12 Months Ended
RELATED PARTY TRANSACTIONS - (Details) - USD ($)	Aug. 31, 2017	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2013
Related Party Transaction [Line Items]
Accounts payable to related party			$ 5,358,111
Agrinatural, LLC
Related Party Transaction [Line Items]
Minority interest (as a percent)		27.00%
Swan Engineering, Inc. Project Management Agreement
Related Party Transaction [Line Items]
Project management and capital work fees		$ 44,000
Payment of project management and capital work fees			68,000	$ 19,000
Granite Falls Energy, LLC Excluding Heron Lake BioEnergy, LLC \| Farmers Cooperative Elevator
Related Party Transaction [Line Items]
Payment of early contract termination fee	$ 255,000
Purchased from related party		51,861,000	75,865,000	75,018,000
Accounts payable to related party		0	5,358,000	1,486,000
Granite Falls Energy, LLC Excluding Heron Lake BioEnergy, LLC \| Board Members
Related Party Transaction [Line Items]
Purchased from related party		945,000
Accounts payable to related party		8,000
Heron Lake BioEnergy, LLC \| Agrinatural, LLC
Related Party Transaction [Line Items]
Proceeds from noncontrolling interest					$ 300,000
Interest paid		6,000	20,000	16,000
Heron Lake BioEnergy, LLC \| Board Members
Related Party Transaction [Line Items]
Purchased from related party		9,811,000	15,008,000	11,032,000
Agrinatural, LLC \| Swan Engineering Inc S E I
Related Party Transaction [Line Items]
Accounts payable to related party		16,000	131,000
Agrinatural, LLC \| Swan Engineering, Inc. Management and Operating Agreement
Related Party Transaction [Line Items]
Monthly fee reduction		4,500
Monthly base fee paid		36,000	32,000	18,000
Monthly variable fee paid		$ 157,000	$ 149,000	$ 83,000
Agrinatural, LLC \| Swan Engineering, Inc. Project Management Agreement
Related Party Transaction [Line Items]
Capital expenditure reimbursement (as a percent)		10.00%
Swan Engineering, Inc. and Unrelated Third Party \| Agrinatural, LLC
Related Party Transaction [Line Items]
Minority interest (as a percent)		27.00%