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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

X

- 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

X

- References

No definition available.

+ Details

Name:	op_RelatedPartyTransactionAbstract
Namespace Prefix:	op_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

X

- Details

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

X

- Details

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