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DEBT - $108 Million Credit Facility (Details) $ in Thousands |  |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 05, 2019 USD ($) | Aug. 14, 2018 USD ($) item | Sep. 30, 2018 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Jul. 12, 2018 item | Jun. 06, 2018 item
Repayment of the outstanding debt |  |  |  |  |  |  |  |
Total debt |  |  |  | $ 495,824 | $ 551,420 |  |  |
Agreement To Purchase Ultramax And Capesize Vessels |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Number of vessels committed to be acquired under purchase agreement | item |  |  |  |  |  |  |  | 4
Agreement to Purchase Capesize Drybulk Vessels |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Number of vessels committed to be acquired under purchase agreement | item |  |  |  |  |  |  | 2 | 2
Agreement To Purchase Ultramax Drybulk Vessels |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Number of vessels committed to be acquired under purchase agreement | item |  |  |  |  |  |  |  | 2
Secured Debt | $108 Million Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Term of facilities |  | 5 years |  |  |  |  |  |
Maximum borrowing capacity |  | $ 108,000 |  | 108,000 | 108,000 |  |  |
Proceeds from credit facility |  |  | $ 108,000 |  | 108,000 |  |  |
Number of vessels to serve as collateral under debt agreement | item |  | 6 |  |  |  |  |  |
Maximum facility amount of fair market value of aggregate vessels at delivery (as a percent) |  |  | 45.00% |  |  |  |  |
Remaining borrowing capacity |  |  |  | 0 |  |  |  |
Repayment of secured debt |  |  |  | 6,320 | 1,580 | $ 0 |  |
Long-term debt |  |  |  | 98,648 | 104,571 |  |  |
Repaid value of loan when certain debt terms are met |  | $ 0 |  |  |  |  |  |
Average age of collateral vessels for repayment of loan |  | 20 years |  |  |  |  |  |
Amount of repayment per quarter |  | $ 1,580 |  |  |  |  |  |
Percentage limit of consolidated net income for which dividends can be paid | 50.00% |  |  |  |  |  |  |
Debt covenant to pay dividends or repurchase stock - Total cash and cash equivalents to total indebtedness (as a percent) | 18.75% |  |  |  |  |  |  |
Key covenant - Unrestricted cash and cash equivalents minimum |  | $ 30,000 |  |  |  |  |  |
Key covenant – Percentage of unrestricted cash to total indebtedness |  | 7.50% |  |  |  |  |  |
Minimum working capital required |  | $ 0 |  |  |  |  |  |
Maximum total indebtedness to total capitalization (as a ratio) |  | 0.70 |  |  |  |  |  |
Repayment of the outstanding debt |  |  |  |  |  |  |  |
2020 |  |  |  | 6,320 |  |  |  |
2021 |  |  |  | 6,320 |  |  |  |
2022 |  |  |  | 6,320 |  |  |  |
2023 |  |  |  | 81,140 |  |  |  |
Total debt |  |  |  | $ 100,100 | $ 106,420 |  |  |
Secured Debt | $108 Million Credit Facility | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Reference rate |  | LIBOR |  |  |  |  |  |
Secured Debt | $108 Million Credit Facility | LIBOR | Through September 30, 2019 |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  | 2.50% |  |  |  |  |  |
Secured Debt | $108 Million Credit Facility | Agreement To Purchase Ultramax And Capesize Vessels |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Number of vessels committed to be acquired under purchase agreement | item |  | 6 |  |  |  |  |  |
Secured Debt | $108 Million Credit Facility | Agreement to Purchase Capesize Drybulk Vessels |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Number of vessels committed to be acquired under purchase agreement | item |  | 4 |  |  |  |  |  |
Secured Debt | $108 Million Credit Facility | Agreement To Purchase Ultramax Drybulk Vessels |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Number of vessels committed to be acquired under purchase agreement | item |  | 2 |  |  |  |  |  |
Secured Debt | Minimum | $108 Million Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Debt covenant to pay dividends or repurchase stock - Total cash and cash equivalents | $ 100,000 |  |  |  |  |  |  |
Collateral security maintenance test (as a percent) |  | 135.00% |  |  |  |  |  |
Secured Debt | Minimum | $108 Million Credit Facility | LIBOR | Period After September 30, 2019 |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  | 2.25% |  |  |  |  |  |
Secured Debt | Maximum | $108 Million Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Collateral security maintenance test (as a percent) | 200.00% |  |  |  |  |  |  |
Secured Debt | Maximum | $108 Million Credit Facility | LIBOR | Period After September 30, 2019 |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  | 2.75% |  |  |  |  |  |

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