Transactions with Related Parties, textual 3 (Details) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2022 USD ($) Vote $ / shares	Dec. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Aggregate price of preferred shares issued	$ 26	$ 26
Due to related parties, current	400	596
Investments in related parties	8,122	7,644
OceanPal Inc
Related Party Transaction [Line Items]
Due to related parties, current	70	70
Investments in related parties	$ 7,744	$ 7,644
Preferred Stock Series B \| OceanPal Inc
Related Party Transaction [Line Items]
Preferred Stock Number Of Voting Rights \| Vote	2,000
Maximum percentage of votes as a percentage of total votes	34.00%
Maximum total number of votes entitled to vote, including common stock or any other voting security	49.00%
Preferred Stock Series C \| OceanPal Inc
Related Party Transaction [Line Items]
Conversion price \| $ / shares	$ 6.5
Cumulative preferred dividend accruing rate	8.00%
Aggregate price of preferred shares issued	$ 10,000
Dividend income	$ 400

Maximum percentage of votes as a percentage of total votes

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Maximum total number of votes entitled to vote, including common stock or any other voting security.

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Number of voting rights of nonredeemable preferred stock per share owned.

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Amount of dividend income on nonoperating securities.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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Per share conversion price of preferred stock.

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The percentage rate used to calculate dividend payments on preferred stock.

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Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

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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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