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Fair value measurements - Fair value on a recurring basis - Significant Other Observable Inputs (Table) (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
ASSETS |  |
Forward freight agreements - asset position | $ 0 | $ 41
Significant Other Observable Inputs (Level 2) | Designated as cash flow hedges |  |
ASSETS |  |
Forward freight agreements - asset position | 0 | 0
Total | 0 | 0
LIABILITIES |  |
Forward freight agreements - liability position | 0 | 0
Interest rate swaps - liability position | 241 | 437
Total | 241 | 437
Significant Other Observable Inputs (Level 2) | Not designated as cash flow hedges |  |
ASSETS |  |
Forward freight agreements - asset position | 0 | 41
Total | 0 | 41
LIABILITIES |  |
Forward freight agreements - liability position | 0 | 0
Interest rate swaps - liability position | 1,963 | 2,908
Total | $ 1,963 | $ 2,908

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