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VESSEL ACQUISITIONS AND DISPOSITIONS (Details) $ in Thousands |  |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 06, 2021 USD ($) | Apr. 08, 2021 USD ($) | Dec. 17, 2020 USD ($) item | Jun. 05, 2020 | Jun. 04, 2020 | Jun. 30, 2021 USD ($) | Jun. 30, 2020 item | Jun. 30, 2021 USD ($) item | Dec. 31, 2020 USD ($) item | May 18, 2021 USD ($) item | Apr. 20, 2021 USD ($) item
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Number of vessels sold | item |  |  |  |  |  |  | 0 |  |  |  |
Deposits on vessels |  |  |  |  |  | $ 21,638 |  | $ 21,638 |  |  |
Restricted cash, current |  |  |  |  |  | 44,606 |  | 44,606 | $ 35,492 |  |
Secured Debt | $495 Million Credit Facility |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | 495,000 |  | 495,000 |  |  |
Restricted cash, current |  |  |  |  |  | 44,606 |  | $ 44,606 | $ 35,492 |  |
Period for which sales proceeds from vessels will remain as restricted cash |  |  |  |  |  |  |  | 360 days |  |  |
Collateral vessel replacement period |  |  |  | 360 days | 180 days |  |  | 360 days |  |  |
Number of vessels sold which served as collateral | item |  |  |  |  |  |  |  | 10 | 8 |  |
Secured Debt | $133 Million Credit Facility |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | 133,000 |  | $ 133,000 |  |  |
Agreement To Exchange Vessels |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Adjusted total fair market value of vessels |  |  | $ 46,000 |  |  |  |  |  |  |  |
Broker commission (as a percent) |  |  | 1.00% |  |  |  |  |  |  |  |
Agreement To Purchase Ultramax Newbuild Vessels |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Number of vessels purchased under option to be acquired per purchase agreement | item |  |  |  |  |  |  |  |  |  | 2 |
Capacity of vessels | item |  |  |  |  |  |  |  |  |  | 61,000 |
Purchase price per vessel |  |  |  |  |  |  |  |  |  | $ 29,170 |
Deposits on vessels |  |  |  |  |  | 17,563 |  | 17,563 |  |  |
Capitalized interest associated with new building contracts |  |  |  |  |  | 54 |  | 54 |  |  |
Agreement To Purchase Ultramax Vessels |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Capacity of vessels | item |  |  |  |  |  |  |  |  |  |  | 64,000
Purchase price per vessel |  |  |  |  |  |  |  |  |  |  | $ 20,200
Deposits on vessels |  |  |  |  |  | $ 4,075 |  | $ 4,075 |  |  |
Ultramax Vessels | Agreement To Exchange Vessels |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Number of vessels to be exchanged | item |  |  | 3 |  |  |  |  |  |  |  |
Handysize Vessels | Agreement To Exchange Vessels |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Number of vessels to be exchanged | item |  |  | 6 |  |  |  |  |  |  |  |
Baltic Leopard |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Sale of assets |  | $ 8,000 |  |  |  |  |  |  |  |  |
Broker commission (as a percent) |  | 2.00% |  |  |  |  |  |  |  |  |
Genco Lorraine | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Sale of assets | $ 7,950 |  |  |  |  |  |  |  |  |  |
Broker commission (as a percent) | 2.50% |  |  |  |  |  |  |  |  |  |
Genco Lorraine | Subsequent Event | Secured Debt | $495 Million Credit Facility |  |  |  |  |  |  |  |  |  |  |
VESSEL ACQUISITIONS |  |  |  |  |  |  |  |  |  |  |
Restricted cash, current | $ 4,144 |  |  |  |  |  |  |  |  |  |
Period for which sales proceeds from vessels will remain as restricted cash | 360 days |  |  |  |  |  |  |  |  |  |
Collateral vessel replacement period | 360 days |  |  |  |  |  |  |  |  |  |

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