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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Related Party Transaction |  |  |
Related party transactions | $ 0 |  |
Service revenues |  | $ 2,340 | $ 3,175
Gener8 Maritime |  |  |
Related Party Transaction |  |  |
Expenses incurred from transactions with related party |  | 73 | 111
Amount due to the related party |  | 0 |
Constantine Georgiopoulos |  |  |
Related Party Transaction |  |  |
Expenses incurred from transactions with related party |  | 0 | 18
Amount due to the related party | $ 0 | 10 |
Aegean Marine Petroleum Network Inc. |  |  |
Related Party Transaction |  |  |
Amount due to the related party |  | 0 |
Aegean Marine Petroleum Network Inc. | Lubricating Oil Purchases |  |  |
Related Party Transaction |  |  |
Expenses incurred from transactions with related party |  | 1,188 | 1,725
MEP |  |  |
Related Party Transaction |  |  |
Amount invoiced for services performed and expenses paid |  | 2,325 | 3,233
Amount due to the entity from a related party |  | 0 |
Service revenues |  | $ 2,340 | $ 3,175

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