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Transactions with Related Parties, Support Agreement with Sphinx Investment Corp (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Apr. 26, 2024
Transactions with Related Parties [Abstract] |  |  |  |
Support agreement costs | $ 6,750 | $ 0 | $ 0 |
Related Party [Member] | Sphinx [Member] |  |  |  |
Transactions with Related Parties [Abstract] |  |  |  |
Percentage of outstanding common stock owned |  |  |  | 14.10%
Support agreement costs | $ 6,750 |  |  |

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- Definition The percentage of the Company's common stock owned by another entity/person. + References No definition available. + Details
Name: | op_OwnershipPercentageOfCommonStock
Namespace Prefix: | op_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | op_RelatedPartyTransactionAbstract
Namespace Prefix: | op_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Costs related to Support Agreement. + References No definition available. + Details
Name: | op_SupportAgreementCosts
Namespace Prefix: | op_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_CounterpartyNameAxis=op_SphinxInvestmentCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |