GENERAL INFORMATION - Vessel Details (Details) - item	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Vessels
Number of vessels in fleet	47	55	59
Genco Augustus Limited | Genco Augustus
Vessels
Capacity of vessels	180,151
Genco Tiberius Limited | Genco Tiberius
Vessels
Capacity of vessels	175,874
Genco London Limited | Genco London
Vessels
Capacity of vessels	177,833
Genco Titus Limited | Genco Titus
Vessels
Capacity of vessels	177,729
Genco Warrior Limited | Genco Warrior
Vessels
Capacity of vessels	55,435
Genco Predator Limited | Genco Predator
Vessels
Capacity of vessels	55,407
Genco Hunter Limited | Genco Hunter
Vessels
Capacity of vessels	58,729
Genco Constantine Limited | Genco Constantine
Vessels
Capacity of vessels	180,183
Genco Hadrian Limited | Genco Hadrian
Vessels
Capacity of vessels	169,025
Genco Commodus Limited | Genco Commodus
Vessels
Capacity of vessels	169,098
Genco Maximus Limited | Genco Maximus
Vessels
Capacity of vessels	169,025
Genco Claudius Limited | Genco Claudius
Vessels
Capacity of vessels	169,001
Genco Avra Limited | Genco Avra
Vessels
Capacity of vessels	34,391
Genco Mare Limited | Genco Mare
Vessels
Capacity of vessels	34,428
Genco Spirit Limited | Genco Spirit
Vessels
Capacity of vessels	34,432
Genco Aquitaine Limited | Genco Aquitaine
Vessels
Capacity of vessels	57,981
Genco Ardennes Limited | Genco Ardennes
Vessels
Capacity of vessels	58,018
Genco Auvergne Limited | Genco Auvergne
Vessels
Capacity of vessels	58,020
Genco Bourgogne Limited | Genco Bourgogne
Vessels
Capacity of vessels	58,018
Genco Brittany Limited | Genco Brittany
Vessels
Capacity of vessels	58,018
Genco Languedoc Limited | Genco Languedoc
Vessels
Capacity of vessels	58,018
Genco Lorraine Limited | Genco Lorraine
Vessels
Capacity of vessels	53,417
Genco Picardy Limited | Genco Picardy
Vessels
Capacity of vessels	55,257
Genco Provence Limited | Genco Provence
Vessels
Capacity of vessels	55,317
Genco Pyrenees Limited | Genco Pyrenees
Vessels
Capacity of vessels	58,018
Genco Rhone Limited | Genco Rhone
Vessels
Capacity of vessels	58,018
Genco Weatherly Limited | Genco Weatherly
Vessels
Capacity of vessels	61,556
Genco Columbia Limited | Genco Columbia
Vessels
Capacity of vessels	60,294
Genco Endeavour Limited | Genco Endeavour
Vessels
Capacity of vessels	181,060
Genco Resolute Limited | Genco Resolute
Vessels
Capacity of vessels	181,060
Genco Defender Limited | Genco Defender
Vessels
Capacity of vessels	180,021
Genco Liberty Limited | Genco Liberty
Vessels
Capacity of vessels	180,032
Genco Magic | Genco Magic
Vessels
Capacity of vessels	63,446
Baltic Lion Limited | Baltic Lion
Vessels
Capacity of vessels	179,185
Baltic Tiger Limited | Genco Tiger
Vessels
Capacity of vessels	179,185
Baltic Leopard Limited | Baltic Leopard
Vessels
Capacity of vessels	53,446
Baltic Panther Limited | Baltic Panther
Vessels
Capacity of vessels	53,350
Baltic Cougar Limited | Baltic Cougar
Vessels
Capacity of vessels	53,432
Baltic Bear Limited | Baltic Bear
Vessels
Capacity of vessels	177,717
Baltic Wolf Limited | Baltic Wolf
Vessels
Capacity of vessels	177,752
Baltic Cove Limited | Baltic Cove
Vessels
Capacity of vessels	34,403
Baltic Fox Limited | Baltic Fox
Vessels
Capacity of vessels	31,883
Baltic Hare Limited | Baltic Hare
Vessels
Capacity of vessels	31,887
Baltic Hornet Limited | Baltic Hornet
Vessels
Capacity of vessels	63,574
Baltic Wasp Limited | Baltic Wasp
Vessels
Capacity of vessels	63,389
Baltic Scorpion Limited | Baltic Scorpion
Vessels
Capacity of vessels	63,462
Baltic Mantis Limited | Baltic Mantis
Vessels
Capacity of vessels	63,470