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Parent Investment (Details) - OceanPal Inc. Predecessors - USD ($)	6 Months Ended		11 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Nov. 30, 2021	Nov. 29, 2021	Dec. 31, 2020	Dec. 31, 2019
Capital contribution	$ (3,349,458)	$ 1,271,586	$ 3,200,000	$ (3,196,728)	$ 4,235,856	$ (1,504,222)
Amount of parent investment				$ 0

X

- Definition

Amount of tangible and intangible assets included as part of consideration transferred in asset acquisition, classified as other. Excludes cash.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 30
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9212-128498

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=123385561&loc=d3e9135-128495

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 50
-Section 30
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9215-128498

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X

- Definition

Amount of cash inflow (outflow) from (to) a noncontrolling interest. Excludes dividends paid to the noncontrolling interest.

+ References

No definition available.

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