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DEBT - $495 Million Credit Facility (Details) $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended | 16 Months Ended |
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Dec. 07, 2020 USD ($) | Jun. 05, 2020 | Mar. 12, 2020 USD ($) | Dec. 10, 2019 | Nov. 15, 2019 USD ($) | Nov. 05, 2019 USD ($) | Sep. 23, 2019 USD ($) | Aug. 28, 2019 USD ($) | Apr. 15, 2019 USD ($) | Feb. 28, 2019 USD ($) item | Feb. 13, 2019 | Jun. 05, 2018 USD ($) | May 31, 2018 USD ($) item | Dec. 31, 2019 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2020 USD ($) | Dec. 17, 2020 item
Repayment of the outstanding debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 495,824 | $ 449,228 | $ 495,824 |  | $ 449,228 |
Secured Debt | $495 Million Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 495,000 |  |  | 495,000 |
Drawdowns during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,250 | 21,500 | $ 460,000 | 32,750 |
Number of oldest vessels identified for sale for which debt will be paid down | item |  |  |  |  |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |
Collateral vessel replacement period |  |  |  |  |  |  |  |  |  |  |  |  | 120 days |  |  |  |  |  |
Remaining borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  | 0 |
Repayment of secured debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,686 | 70,776 | $ 15,000 |  |
Long-term debt |  |  |  |  |  |  |  |  |  |  |  |  |  | 384,082 | 326,066 | 384,082 |  | 326,066 |
Debt covenant to pay dividends or repurchase stock - Total cash and cash equivalents to total indebtedness (as a percent) |  |  |  |  |  | 18.75% |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage limit of consolidated net income for which dividends can be paid |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Collateral vessel replacement extension period |  | 360 days |  |  |  |  |  |  |  |  | 180 days |  |  |  |  |  |  |  |
Key covenant - Unrestricted cash and cash equivalents minimum |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,000 |  |  |  |  |  |
Key covenant - Percentage of unrestricted cash to total indebtedness |  |  |  |  |  |  |  |  |  |  |  |  | 7.50% |  |  |  |  |  |
Minimum restricted cash required |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |
Minimum working capital required |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |
Maximum total indebtedness to total capitalization (as a ratio) |  |  |  |  |  |  |  |  |  |  |  |  | 0.70 |  |  |  |  |  |
Key covenant - Minimum time charters period |  |  |  |  |  |  |  |  |  |  |  |  | 24 months |  |  |  |  |  |
Repayment of the outstanding debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 66,642 |  |  | 66,642 |
2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 66,642 |  |  | 66,642 |
2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 201,004 |  |  | 201,004 |
Total debt |  |  |  |  |  |  |  |  |  |  |  |  |  | 395,724 | $ 334,288 | $ 395,724 |  | $ 334,288 |
Secured Debt | $495 Million Credit Facility | Genco Raptor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessel sale proceeds utilized as a loan repayment | $ 6,045 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateral vessel replacement period |  |  |  | 360 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured Debt | $495 Million Credit Facility | Genco Champion and Genco Challenger |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessel sale proceeds utilized as a loan repayment |  |  |  |  | $ 6,880 |  |  |  |  |  |  |  |  | $ 6,880 |  |  |  |  |
Collateral vessel replacement period |  |  |  |  |  |  |  |  |  |  |  |  |  | 180 days |  |  |  |  |
Secured Debt | $495 Million Credit Facility | Genco Cavalier |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vessel sale proceeds utilized as a loan repayment |  |  |  |  |  |  |  |  | $ 4,947 |  |  |  |  |  |  |  |  |  |
Secured Debt | $460 Million Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  | $ 460,000 |  |  |  |  |  |
Term of facilities |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |
Drawdowns during the period |  |  |  |  |  |  |  |  |  |  |  | $ 460,000 |  |  |  |  |  |  |
Number of oldest vessels identified for sale for which debt will be paid down | item |  |  |  |  |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |
Repaid value of loan when certain debt terms are met |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |
Average age of collateral vessels for repayment of loan |  |  |  |  |  |  |  |  |  |  |  |  | 17 years |  |  |  |  |  |
Secured Debt | $460 Million Credit Facility | Period after December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization payments per quarter |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,000 |  |  |  |  |  |
Secured Debt | $460 Million Credit Facility | Period upon final maturity on May 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization payments per quarter |  |  |  |  |  |  |  |  |  |  |  |  | $ 190,000 |  |  |  |  |  |
Final payment amount |  |  |  |  | 182,440 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured Debt | $460 Million Credit Facility | Period After December 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of periodic payment |  |  |  |  | 14,321 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured Debt | $460 Million Credit Facility | LIBOR | Through December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 3.25% |  |  |  |  |  |  |
Secured Debt | $35,000 Scrubber Tranche |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | 34,025 | $ 35,000 |  |  |  | $ 35,000 |  |  |  |  |  |  |  |  |
Term of facilities |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |
Drawdowns during the period |  |  | $ 11,250 |  |  |  | $ 12,200 | $ 9,300 |  |  |  |  |  |  |  |  |  |  |
Number of Capesize vessels for which the scrubber installation will be financed | item |  |  |  |  |  |  |  |  |  | 17 |  |  |  |  |  |  |  |  |
Reference rate |  |  |  |  |  |  |  |  |  | LIBOR |  |  |  |  |  |  |  |  |
Amount of periodic payment |  |  |  |  |  |  |  |  |  | $ 2,500 |  |  |  |  |  |  |  |  |
Final payment amount |  |  |  |  | 1,904 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum amount required per borrowing |  |  |  |  |  |  |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |
Secured Debt | $35,000 Scrubber Tranche | Period After March 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of periodic payment |  |  |  |  | $ 2,339 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Secured Debt | $35,000 Scrubber Tranche | LIBOR | Through September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  |  |  |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |
Secured Debt | Minimum | $495 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 | $460 Million Credit Facility | LIBOR | Period after December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  |  |  |  |
Secured Debt | Minimum | $35,000 Scrubber Tranche | LIBOR | Period After September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  |  |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |  |  |  |
Secured Debt | Maximum | $495 Million Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateral security maintenance test (as a percent) |  |  |  |  |  | 200.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Secured Debt | Maximum | $460 Million Credit Facility | LIBOR | Period after December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 3.50% |  |  |  |  |  |  |
Secured Debt | Maximum | $35,000 Scrubber Tranche |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of scrubber costs to be financed |  |  |  |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |
Secured Debt | Maximum | $35,000 Scrubber Tranche | LIBOR | Period After September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Applicable margin over reference rate (as a percent) |  |  |  |  |  |  |  |  |  | 2.75% |  |  |  |  |  |  |  |  |
Agreement To Exchange Vessels | Ultramax Vessels |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of vessels to be exchanged | item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
Agreement To Exchange Vessels | Handysize Vessels |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of vessels to be exchanged | item |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6

X
- Definition Debt covenant minimum period for the collateral time charters. + References No definition available. + Details
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- Definition The debt covenant extension period for replacement of new vessel having an equal or greater appraised value if in compliance with collateral maintenance test. + References No definition available. + Details
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- Definition The debt covenant period for replacement of new vessel having an equal or greater appraised value if in compliance with collateral maintenance test. + References No definition available. + Details
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- Definition Amount of minimum restricted cash required per terms of the credit facility. + References No definition available. + Details
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- Definition Debt covenant unrestricted cash and cash equivalents minimum. + References No definition available. + Details
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- Definition Debt covenant pertaining to unrestricted cash and cash equivalents to total indebtedness. + References No definition available. + Details
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- Definition Represents the average age of collateral vessels for repayment of loan. + References No definition available. + Details
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- Definition Debt convent pertaining to amount of total cash and cash equivalents, in which the entity may pay dividends or repurchase of stock. + References No definition available. + Details
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- Definition Debt covenant pertaining to the percentage of total cash and cash equivalents to total indebtedness, in which the entity may pay dividends or repurchase of stock. + References No definition available. + Details
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- Definition Represents the aggregate fair value of the mortgaged vessels to be maintained as a percentage of aggregate outstanding principal amount as per the terms of the credit facilities' covenants. + References No definition available. + Details
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- Definition Amount of line of credit facility future amortization payments per quarter per facility agreement. Upon payment of excess cash flow to lenders, these amortization payments shall be adjusted. + References No definition available. + Details
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- Definition Represents the required payment amount under the line of credit facility due on final maturity date. + References No definition available. + Details
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- Definition Amount of vessel sale proceeds utilized as a loan repayment due to replacement vessel was not added as collateral with period stipulated under credit facility. + References No definition available. + Details
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- Definition Represents the maximum ratio of total debt outstanding to total capitalization. + References No definition available. + Details
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- Definition Represents the minimum amount required per borrowing. + References No definition available. + Details
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- Definition Minimum working capital required per terms of the credit facility. + References No definition available. + Details
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- Definition Number of Capesize vessels for which the scrubber installation will be financed. + References No definition available. + Details
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- Definition Number of oldest vessels identified for sale, for which debt will be paid down. + References No definition available. + Details
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- Definition Number of vessels to be exchanged. + References No definition available. + Details
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- Definition The percentage limit of consolidated net income for dividends to be paid if collateral maintenance test is met. + References No definition available. + Details
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- Definition Represents the percentage of scrubber costs to be financed. + References No definition available. + Details
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- Definition The value of loan when the average age of the vessels serving as collateral from time to time reaches a specified period, following an initial non-amortization period and all additional debt covenants are met. + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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