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Fair value measurements and Hedging - Derivative instruments effect on statement of operations (Table) (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021
Interest and finance costs |  |
Reclassification adjustments of interest rate swap loss/(gain) transferred to Interest and finance costs from Other comprehensive income/(loss) (Note 7) | $ 633 | $ (998)
Total Gain/(loss) recognized | 633 | (998)
Gain/(loss) on forward freight agreements and bunker swaps, net |  |
Total Gain/(loss) recognized | (3,939) | (1,537)
Forward Freight Agreements [Member] |  |
Gain/(loss) on forward freight agreements and bunker swaps, net |  |
Realized gain/(loss) on forward freight agreements and freight options | 1,023 | (39)
Unrealized gain/(loss) on forward freight agreements and freight options | (1,169) | (1,560)
Bunker Swaps [Member] |  |
Gain/(loss) on forward freight agreements and bunker swaps, net |  |
Realized gain/(loss) on bunker swaps | (4,085) | 58
Unrealized gain/(loss) on bunker swaps | $ 292 | $ 4

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