Represents the capacity of plant facility on a twelve month rolling sum basis.

No definition available.

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- Definition

Maximum amount of production permitted on a twelve month rolling sum basis.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Details

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Balance Type:
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- Details

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Balance Type:
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- Details

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- Details

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- Details

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- Details

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - gal gal in Millions	6 Months Ended
	Apr. 30, 2020	Dec. 11, 2019	Oct. 31, 2019
Granite Falls Energy, LLC Excluding Heron Lake BioEnergy, LLC
Summary of significant accounting policies
Plant production capacity	60.0
Production volume permitted	70.0
Heron Lake BioEnergy, LLC
Summary of significant accounting policies
Plant production capacity	60.0
Production volume permitted	72.3
Heron Lake BioEnergy, LLC
Summary of significant accounting policies
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	49.30%
Heron Lake BioEnergy, LLC \| Project Viking, LLC
Summary of significant accounting policies
Ownership percentage	50.70%
Project Viking, LLC
Summary of significant accounting policies
Ownership percentage	100.00%
Agrinatural, LLC
Summary of significant accounting policies
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		27.00%
Agrinatural, LLC \| HLBE Pipeline Company, LLC
Summary of significant accounting policies
Ownership percentage		100.00%	73.00%