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Consortium Agreement - Narrative (Detail) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2016 | Sep. 30, 2021 | Sep. 30, 2020
Pledged Financial Instruments, Not Separately Reported, Securities, by Type of Agreement [Abstract] |  |  |  |
Company received amount from agreement | $ 0.5 | $ 0.5 |  |
Other income |  |  | $ 0.0 | $ 0.0

X
- Definition Proceeds from collaborative agreement. + References No definition available. + Details
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Namespace Prefix: | orgn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of revenue and income classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.4) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledgedByTypeOfAgreementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration