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Restricted Cash - Summary of Allocation of Restricted Cash (Details) - USD ($) $ in Thousands | Oct. 31, 2020 | Oct. 31, 2019
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Restricted Cash And Investments [Abstract] |  |  |
Cash Restricted for Outstanding Letters of Credit | [1] | $ 6,543 | $ 5,733
Cash Restricted for PNC Sale-Leaseback Transactions |  | 15,125 | 17,934
Cash Restricted for Crestmark Sale-Leaseback Transaction |  | 431 |
Bridgeport Fuel Cell Park Project Debt Service and Performance Reserves |  | 7,549 | 4,946
Orion Facility - Performance Reserve | [2] | 5,000 |
Orion Facility - Module and Debt Service Reserves | [3] | 1,950 |
Orion Facility - Project Proceeds Account | [4] | 4,243 |
Other |  | 1,344 | 1,731
Total Restricted Cash |  | 42,185 | 30,344
Restricted Cash and Cash Equivalents - Short-Term | [5] | (9,233) | (3,473)
Restricted Cash and Cash Equivalents - Long-Term |  | $ 32,952 | $ 26,871
[1] | Letters of credit outstanding as of October 31, 2020 expire on various dates through August 2028.
[2] | Short-term reserve related to certain project construction and financing milestones.
[3] | Long-term reserve primarily to fund future module replacements for operating projects which fall under the collateral pool (CCSU and Triangle Street) under the Orion Facility.
[4] | Reserve related to proceeds received from project refinancing to be used to pay-down the Orion Facility unless redeployed into other project financing (at the option of the Orion Agent and the lenders under the Orion Facility).
[5] | Short-term restricted cash and cash equivalents are amounts expected to be released and categorized as unrestricted cash within twelve months of the balance sheet date.

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