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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

Insurance services

+ References

No definition available.

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- Definition

It represents the voyage expenses.

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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

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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

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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.

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