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Consolidated Statements of Comprehensive Income / (Loss) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] |  |  |
Net income / (loss) | $ (9,771) | $ (154,228) | $ (458,177)
Other comprehensive income / (loss): |  |  |
Unrealized gain / (loss) from hedging interest rate swaps recognized in Other comprehensive income/(loss) before reclassifications (Note 18) | 47 | (372) | (5,047)
Less: |  |  |
Reclassification adjustments of interest rate swap loss | 852 | 1,294 | 4,209
Other comprehensive income / (loss) | 899 | 922 | (838)
Comprehensive income / (loss) | $ (8,872) | $ (153,306) | $ (459,015)

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