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Significant Accounting Policies - Recent Accounting Pronouncements, Insurance Claims (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Insurance Claims [Abstract] |  |  |
Insurance claims raised | $ 92 | $ 1,058 | $ 0

X
- Definition Insurance claim recoveries raised during the period. + References No definition available. + Details
Name: | op_InsuranceClaimRecoveries
Namespace Prefix: | op_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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