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Fair value measurements - Consolidated Statement of Operations (Table) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Gain/(loss) on derivative instruments, net |  |  |
Write-off of unrealized loss related to forecasted transactions which are no longer considered probable reclassified from other comprehensive income/(loss) | $ 0 | $ (42) | $ (1,793)
Ineffective portion of cash flow hedges | 0 | 0 | 0
Total Gain/(Loss) on derivative instruments, net | 246 | (2,116) | (3,268)
Interest and finance costs |  |  |
Reclassification adjustments of interest rate swap loss transferred to Interest and finance costs from Other comprehensive income/(loss) | (852) | (1,252) | (2,416)
Total Gain/(Loss) recognized | (852) | (1,252) | (2,416)
Gain/(Loss) on forward freight agreements and bunker swaps |  |  |
Total Gain/(Loss) recognized | (841) | 411 | 0
Goldman Sachs Swaps after hedging de-designation of accounting hedging relationship (April 1, 2015) |  |  |
Gain/(loss) on derivative instruments, net |  |  |
Unrealized gain/(loss) from the Interest rate swap agreements | 2,802 | 2,974 | 3,443
Realized gain/(loss) from the Interest rate swap agreements | (2,556) | (5,048) | (4,918)
Forward freight agreements |  |  |
Gain/(Loss) on forward freight agreements and bunker swaps |  |  |
Realized gain/(loss) on forward freight agreements | (877) | 370 | 0
Unrealized gain/(loss) on forward freight agreements | (24) | 41 | 0
Bunker swaps |  |  |
Gain/(Loss) on forward freight agreements and bunker swaps |  |  |
Unrealized gain/(loss) on bunker swaps | 60 | 0 | 0
Gain/(loss) recognized for forward freight agreements and bunker swaps |  |  |
Gain/(Loss) on forward freight agreements and bunker swaps |  |  |
Total Gain/(Loss) recognized | $ (841) | $ 411 | $ 0

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