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Restricted Cash (Tables) | 6 Months Ended
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Apr. 30, 2021
Restricted Cash And Investments [Abstract] |
Summary of Allocation of Restricted Cash | Refer to Note 16. “Debt” for additional information on the release of the restricted cash under the Orion Facility. The allocation of restricted cash is as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | April 30, | ​ | October 31,
​ |  | 2021 |  | 2020
Cash Restricted for Outstanding Letters of Credit (1) | ​ | $ | 6,478 | ​ | $ | 6,543
Cash Restricted for PNC Sale-Leaseback Transactions | ​ | ​ | 14,989 | ​ | ​ | 15,125
Cash Restricted for Crestmark Sale-Leaseback Transaction | ​ | ​ | 432 | ​ | ​ | 431
Bridgeport Fuel Cell Park Project Debt Service and Performance Reserves | ​ | ​ | 9,668 | ​ | ​ | 7,549
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 | ​ | ​ | 529 | ​ | ​ | 1,344
Total Restricted Cash | ​ | ​ | 32,096 | ​ | ​ | 42,185
Restricted Cash and Cash Equivalents - Short-Term (5) | ​ | ​ | (17,427) | ​ | ​ | (9,233)
Restricted Cash and Cash Equivalents - Long-Term | ​ | $ | 14,669 | ​ | $ | 32,952
(1) | Letters of credit outstanding as of April 30, 2021 expire on various dates through August 2028.
(2) | Short-term reserve that was related to certain project construction and financing milestones.
(3) | Long-term reserve that was to be used primarily to fund future module exchanges for operating projects falling under the collateral pool (CCSU and Triangle Street) under the Orion Facility.
(4) | Reserve that was related to proceeds received from project refinancing that was 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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