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VESSEL ACQUISITIONS AND DISPOSITIONS (Details) $ in Thousands									6 Months Ended
	Oct. 23, 2024 USD ($)	Oct. 04, 2024 USD ($)	Jul. 16, 2024 USD ($)	Jul. 05, 2024 USD ($)	Apr. 22, 2024 USD ($)	Apr. 02, 2024 USD ($)	Feb. 24, 2024 USD ($)	Feb. 07, 2024 USD ($)	Jun. 30, 2025 USD ($)	Oct. 03, 2024 USD ($) t
VESSEL ACQUISITIONS AND DISPOSITIONS
Proceeds from the $500 Million Revolver									$ 10,000
$500 Million Credit Facility
VESSEL ACQUISITIONS AND DISPOSITIONS
Proceeds from the $500 Million Revolver	$ 20,000
Genco Intrepid
VESSEL ACQUISITIONS AND DISPOSITIONS
Capacity of vessels \| t										180,000
Purchase price per vessel										$ 47,500
Genco Commodus
Vessel Dispositions
Sale of assets								$ 19,500
Broker commission (as a percent)								1.00%
Genco Claudius
Vessel Dispositions
Sale of assets					$ 24,200
Broker commission (as a percent)					2.00%
Genco Claudius \| Terminated Agreement to Purchase Vessel
Vessel Dispositions
Sale of assets							$ 18,500
Broker commission (as a percent)							1.00%
Genco Maximus
Vessel Dispositions
Sale of assets						$ 22,800
Broker commission (as a percent)						2.00%
Genco Maximus \| Terminated Agreement to Purchase Vessel
Vessel Dispositions
Sale of assets							$ 18,000
Broker commission (as a percent)							1.00%
Genco Warrior
Vessel Dispositions
Sale of assets				$ 11,950
Broker commission (as a percent)				3.00%
Genco Hadrian
Vessel Dispositions
Sale of assets		$ 25,000	$ 25,000
Broker commission (as a percent)		2.00%	2.00%