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Fair Value Measurements and Hedging - Derivative instruments effect on statements of operations (Table) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Gain/(loss) on interest rate swaps, net |  |  |
Gains/(loss) of de-designated accounting hedging relationship | $ (3,539) | $ (0) | $ (0)
Total Gain/(loss) on interest rate swaps, net | (3,539) | (0) | (0)
Interest and finance costs |  |  |
Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other comprehensive income/(loss) (Note 8) | 21,786 | 10,044 | (2,351)
Total Gain/(loss) recognized | 21,786 | 10,044 | (2,351)
Gain/(loss) on forward freight agreements and bunker swaps, net |  |  |
Total Gain/(loss) recognized | (1,336) | (1,451) | 3,564
Forward Freight Agreements [Member] |  |  |
Gain/(loss) on forward freight agreements and bunker swaps, net |  |  |
Realized gain/(loss) on forward freight agreements and freight options | 1,923 | 1,165 | 1,308
Unrealized gain/(loss) on forward freight agreements and freight options | (5,975) | (1,398) | 1,802
Bunker Swaps [Member] |  |  |
Gain/(loss) on forward freight agreements and bunker swaps, net |  |  |
Realized gain/(loss) on bunker swaps | 6,403 | (5,198) | 748
Unrealized gain/(loss) on bunker swaps | $ (3,687) | $ 3,980 | $ (294)

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