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Basis of Presentation and Significant Accounting Policies - Infrastructure Advances (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 31, 2020 | Aug. 31, 2020 | Aug. 31, 2018 | Oct. 31, 2019 | Oct. 31, 2018 | Jul. 31, 2018
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Amount loaned |  |  |  | $ 23,800 | $ 11,500 |
Infrastructure loan noncurrent | $ 1,215 |  |  | 1,800 |  |
Agricola Belher |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Loan receivable fixed interest rate (as a percent) |  | 7.25% |  |  |  |
Amount loaned |  |  | $ 3,000 |  |  |
Infrastructure advance | 1,800 |  | 3,000 | 2,600 | $ 3,400 |
Annual repayment of advances |  | $ 900 | $ 600 |  |  |
Repayment term |  | 2 years |  |  |  |
Agricola Belher | Prepaid expenses and other current assets |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Infrastructure advance, current | 900 |  |  | 800 |  |
Agricola Belher | Other long-term assets |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Infrastructure loan noncurrent | 900 |  |  | $ 1,800 |  |
Agricola Belher | LIBOR |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Advances variable interest rate (as a percent) |  |  | 10.00% |  |  | 3.00%
Don Memo |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Payment amount | $ 2,400 |  |  |  |  |
Loan receivable fixed interest rate (as a percent) | 7.25% |  |  |  |  |
Amount loaned | $ 700 |  |  |  |  |
Remaining amount | 1,700 |  |  |  |  |
Infrastructure advance | 700 |  |  |  |  |
Don Memo | Prepaid expenses and other current assets |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Infrastructure advance, current | 400 |  |  |  |  |
Don Memo | Other long-term assets |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Infrastructure loan noncurrent | $ 300 |  |  |  |  |

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