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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.

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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.

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No definition available.

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- Definition

Represents information pertaining to number of vessels sold by the entity.

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Represents the period for which the net sale proceeds from sale of vessels will remain classified as restricted cash following the sale date if or until a replacement vessel or vessels meeting certain requirements are added as collateral under the facility.

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No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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VESSEL ACQUISITIONS AND DISPOSITIONS (Details) $ in Thousands										3 Months Ended	6 Months Ended
	Mar. 05, 2020 USD ($)	Feb. 24, 2020 USD ($)	Dec. 11, 2019 USD ($)	Nov. 15, 2019 USD ($)	Nov. 05, 2019	Oct. 21, 2019 USD ($)	Oct. 21, 2019 item	Oct. 10, 2019 USD ($)	Jan. 28, 2019 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Feb. 28, 2019 USD ($)	Aug. 14, 2018 USD ($)
VESSEL ACQUISITIONS
Restricted cash, current												$ 14,855	$ 6,045
Secured Debt \| $495 Million Credit Facility
VESSEL ACQUISITIONS
Maximum borrowing capacity												495,000	495,000	$ 495,000	$ 495,000
Collateral vessel replacement period					180 days
Secured Debt \| $108 Million Credit Facility
VESSEL ACQUISITIONS
Maximum borrowing capacity												$ 108,000	108,000	$ 108,000		$ 108,000
Baltic Breeze and Genco Bay
VESSEL ACQUISITIONS
Sale of assets											$ 7,900
Broker commission (as a percent)											2.00%
Baltic Wind
VESSEL ACQUISITIONS
Sale of assets										$ 7,750
Broker commission (as a percent)										2.00%
Genco Thunder
VESSEL ACQUISITIONS
Sale of assets	$ 10,400
Broker commission (as a percent)	2.00%
Genco Thunder \| Secured Debt \| $495 Million Credit Facility
VESSEL ACQUISITIONS
Restricted cash, current	$ 5,339
Period for which sales proceeds from vessels will remain as restricted cash	180 days
Genco Charger
VESSEL ACQUISITIONS
Sale of assets		$ 5,150
Broker commission (as a percent)		1.00%
Genco Charger \| Secured Debt \| $495 Million Credit Facility
VESSEL ACQUISITIONS
Restricted cash, current		$ 3,471
Period for which sales proceeds from vessels will remain as restricted cash		180 days
Genco Raptor
VESSEL ACQUISITIONS
Sale of assets			$ 10,200
Broker commission (as a percent)			2.00%
Genco Raptor \| Secured Debt \| $495 Million Credit Facility
VESSEL ACQUISITIONS
Restricted cash, current			$ 6,045										$ 6,045
Period for which sales proceeds from vessels will remain as restricted cash			180 days
Genco Champion
VESSEL ACQUISITIONS
Sale of assets						$ 6,600
Broker commission (as a percent)						3.00%
Genco Challenger
VESSEL ACQUISITIONS
Sale of assets								$ 5,250
Broker commission (as a percent)								2.00%
Genco Champion and Genco Challenger \| Secured Debt \| $495 Million Credit Facility
VESSEL ACQUISITIONS
Number of vessels sold \| item							2
Vessel sale proceeds utilized as a loan repayment				$ 6,880
Collateral vessel replacement period				180 days
Genco Vigour
VESSEL ACQUISITIONS
Sale of assets									$ 6,550
Broker commission (as a percent)									2.00%