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Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands | Apr. 30, 2021 | Oct. 31, 2020
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Finite Lived Intangible Assets [Line Items] |  |
Gross Amount | $ 21,912 | $ 21,912
Accumulated Amortization | (2,594) | (1,945)
Net Amount | 19,318 | 19,967
Bridgeport PPA [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Amount | 12,320 | 12,320
Accumulated Amortization | (2,594) | (1,945)
Net Amount | 9,726 | 10,375
In Process Research And Development [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Gross Amount | 9,592 | 9,592
Net Amount | $ 9,592 | $ 9,592

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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