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Subsequent Events (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 15, 2025 | Feb. 10, 2025 | Jun. 30, 2025 | Jun. 30, 2024 | Sep. 15, 2025 | Aug. 25, 2025 | Jul. 30, 2025 | Jul. 28, 2025 | Dec. 31, 2024
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Preferred Stock, Dividends per share |  |  | $ 1.109375 | $ 1.109375 |  |  |  |  |
Cash proceeds from sale of vessels |  |  | $ 11,535 | $ 12,504 |  |  |  |  |
Common stock, shares issued |  |  | 115,773,562 |  |  |  |  |  | 125,203,405
Common stock, shares outstanding |  |  | 115,773,562 |  |  |  |  |  | 125,203,405
Equity securities cost |  |  | $ 24,756 |  |  |  |  |  |
Gain on sale of vessel |  | $ 1,500 | $ 1,500 | $ 1,572 |  |  |  |  |
OceanPal [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  | 3,649,474 |  |  |  |  |  |
Subsequent Events [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Dividends payable amount per share |  |  |  |  |  |  | $ 0.01 |  |
Equity securities cost |  |  |  |  | $ 61,732 |  |  |  |
Gain on sale of vessel | $ 2,000 |  |  |  |  |  |  |  |
Subsequent Events [Member] | OceanPal [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  | 145,978 |  |  |
Ownership percentage |  |  |  |  |  |  | 3.29% |  |
Subsequent Events [Member] | OceanPal Inc [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  |  | 70,407,833 |
Common stock, shares outstanding |  |  |  |  |  |  |  | 70,407,833 |
Series B Preferred Stock [Member] | Subsequent Events [Member] |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |
Preferred Stock, Dividends per share | $ 0.5546875 |  |  |  |  |  |  |  |
Dividends, Preferred Stock | $ 1,442 |  |  |  |  |  |  |  |

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