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Fair value measurements and Hedging - Derivative instruments effect on statements of operations (Table) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Gain/(loss) on interest rate swaps, net |  |
Gains/(loss) of de-designated accounting hedging relationship | $ (507) | $ 0
Total Gain/(loss) on interest rate swaps, net | (507) | 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) | 14,412 | 633
Total Gain/(loss) recognized | 14,412 | 633
Gain/(loss) on forward freight agreements and bunker swaps, net |  |
Total Gain/(loss) recognized | 4,207 | (3,939)
Forward Freight Agreements [Member] |  |
Gain/(loss) on forward freight agreements and bunker swaps, net |  |
Realized gain/(loss) on forward freight agreements and freight options | 2,796 | 1,023
Unrealized gain/(loss) on forward freight agreements and freight options | (116) | (1,169)
Bunker Swaps [Member] |  |
Gain/(loss) on forward freight agreements and bunker swaps, net |  |
Realized gain/(loss) on bunker swaps | 4,476 | (4,085)
Unrealized gain/(loss) on bunker swaps | $ (2,949) | $ 292

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