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Transactions with related parties - Diana Shipping Services S.A., or DSS (Details) - USD ($) | 3 Months Ended | 5 Months Ended | 6 Months Ended | 7 Months Ended | 9 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2021 | Dec. 31, 2019 | May 24, 2021 | Jun. 30, 2022 | Nov. 29, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2021 | Dec. 31, 2021 | Nov. 29, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Management fees to related parties |  |  |  | $ 411,000 |  |  |  |  | $ 74,000 |  |  |  |
Due to related parties | $ 1,000 |  |  | $ 151,000 |  |  |  |  | $ 59,000 |  |  |  |
OceanPal Inc. Predecessors |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Management fees to related parties |  |  |  |  |  | $ 377,671 | $ 378,000 |  |  | $ 683,121 | $ 7,330,000 | $ 756,000 | $ 728,300
Due to related parties |  |  |  |  |  | $ (92,350) | $ (169,004) |  |  | $ (115,280) |  | (122,741) | $ 220,261
Diana Shipping Services S.A., or DSS | OceanPal Inc. Predecessors |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Insurance service |  |  |  |  | $ 500 |  |  |  |  |  |  |  |
Management fees to related parties |  | $ 174,300 | $ 300,300 |  |  |  |  | $ 9,337 |  |  |  | 756,000 |
Voyage Expenses |  | $ 63,721 | $ 94,672 |  |  |  |  |  |  |  |  | 186,223 |
Due to related parties |  |  |  |  |  |  |  |  |  |  |  | $ 115,280 |

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- Definition It represents the voyage expenses. + References No definition available. + Details
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- Definition The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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