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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands |  | 6 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 21, 2018 USD ($) item | Dec. 31, 2018 USD ($) item | Jun. 30, 2019 USD ($) | Feb. 28, 2019 USD ($)
Purchase commitment |  |  |  |
Vessel assets |  | $ 1,344,870 | $ 1,320,149 |
Secured Debt | $495 Million Credit Facility |  |  |  |
Purchase commitment |  |  |  |
Maximum borrowing capacity |  | $ 495,000 | 495,000 | $ 495,000
Purchase Agreements for BWTS |  |  |  |
Purchase commitment |  |  |  |
Number of vessels to receive ballast water treatments systems | item |  | 47 |  |
Vessel assets |  | $ 1,804 | 8,859 |
Purchase Agreement of BWTS for Capesize Vessels |  |  |  |
Purchase commitment |  |  |  |
BWTS purchase price |  | 800 |  |
Purchase Agreement of BWTS for Panamax Vessels |  |  |  |
Purchase commitment |  |  |  |
BWTS purchase price |  | 500 |  |
Purchase Agreement of BWTS for Supramax Vessels |  |  |  |
Purchase commitment |  |  |  |
BWTS purchase price |  | 500 |  |
Purchase Agreement of BWTS for Handysize Vessels |  |  |  |
Purchase commitment |  |  |  |
BWTS purchase price |  | 500 |  |
Scrubber Installation Agreements |  |  |  |
Purchase commitment |  |  |  |
Number of Capesize vessels to receive scrubber installations | item | 17 |  |  |
Cost of scrubber installation per vessel | $ 2,250 |  |  |
Vessel assets |  | $ 428 | $ 14,474 |

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