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v3.20.2

Uncertainties and Certain Significant Accounting Estimates (Details) | 1 Months Ended | 6 Months Ended | 7 Months Ended
--- | --- | --- | ---
Mar. 31, 2020 plant | Sep. 30, 2020 USD ($) ethanol_plant plant | Oct. 28, 2020 plant | Sep. 30, 2020 USD ($) ethanol_plant plant
Uncertainties and Certain Significant Accounting Estimates (Textual) |  |  |  |
Number of ethanol plants temporarily idled | 8 |  |  |
Number of ethanol plants with temporarily reduced production | 6 |  |  |
Number of idled ethanol plants restarted due to partial recovery in demand |  | 5 |  |
Number of ethanol plants | ethanol_plant |  | 14 |  | 14
Number of ethanol plants with reduced estimated useful life |  |  |  | 1
Number of ethanol plants evaluated for potential impairment |  |  |  | 5
Goodwill | $ |  | $ 260,000,000 |  | $ 260,000,000
Impairment of goodwill | $ |  |  |  | $ 0
Subsequent Event [Member] |  |  |  |
Uncertainties and Certain Significant Accounting Estimates (Textual) |  |  |  |
Number of ethanol plants returned to full production |  |  | 11 |
Number of ethanol plants |  |  | 14 |

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