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Project Assets - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2022 USD ($) | Jul. 31, 2022 USD ($) project MW | Oct. 31, 2021 USD ($) project
Project Assets [Line Items] |  |  |
Number of project assets | project |  | 10 | 9
Long-term project assets construction in progress | $ 109,300 | $ 109,300 | $ 126,800
Impairment charges |  | 14,000 | 2,800
Long Term Project Assets | 246,018 | 246,018 | 223,277
Power Purchase Agreement |  |  |
Project Assets [Line Items] |  |  |
Sale leaseback transaction, net book value | 136,700 | 136,700 | 96,400
Toyota |  |  |
Project Assets [Line Items] |  |  |
Long Term Project Assets | 21,300 | $ 21,300 |
Toyota Project [Member] |  |  |
Project Assets [Line Items] |  |  |
Power capacity under construction phase | MW |  | 2.3 |
Impairment charges | $ 6,900 | $ 14,000 | $ 2,800

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