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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 09, 2014 USD ($) $ / item	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 USD ($)	Jul. 09, 2014 USD ($)	Dec. 31, 2015 USD ($) $ / item	Dec. 31, 2013 USD ($)
Due from charterers, net
Reserve against the due from charterers			$ 1,588	$ 1,588		$ 429
Accrual related to estimated customer claims			662	662		$ 498
Vessels, net
Estimated useful life						25 years
Depreciation expense				36,265		$ 76,395
Estimated scrap value (in dollars per lightweight ton) | $ / item						310
Estimated life of average scrap value of steel						15 years
Decrease in depreciation expense				1,540		$ 3,193
Fixed assets, net
Depreciation and amortization				36,714		79,556
Asset Impairment Charges		$ 32,536		0		39,893
Deferred drydocking costs
Amortization expense for drydocking				330		2,877
Goodwill
Goodwill impairment			$ 166,067	166,067
Loss on disposal of vessels
Loss on sale of vessels						1,210
Genco Marine Limited | Genco Marine
Fixed assets, net
Asset Impairment Charges						4,497
Baltic Trading | Baltic Tiger and Baltic Lion
Fixed assets, net
Asset Impairment Charges						$ 35,396
Minimum
Deferred drydocking costs
Period for which vessels are required to be drydocked for major repairs and maintenance						30 months
Maximum
Deferred drydocking costs
Period for which vessels are required to be drydocked for major repairs and maintenance						60 months
Detail of Fixed Assets, Excluding Vessels
Fixed assets, net
Depreciation and amortization				$ 119		$ 284
Furniture and Fixtures
Fixed assets, net
Useful lives						5 years
Vessel Equipment | Minimum
Fixed assets, net
Useful lives						2 years
Vessel Equipment | Maximum
Fixed assets, net
Useful lives						15 years
Computer equipment
Fixed assets, net
Useful lives						3 years
Predecessor
Vessels, net
Depreciation expense					$ 71,756		$ 133,562
Estimated scrap value (in dollars per lightweight ton) | $ / item	245
Fixed assets, net
Depreciation and amortization					75,952		140,743
Asset Impairment Charges					0		0
Deferred drydocking costs
Amortization expense for drydocking					3,738		5,700
Goodwill
Goodwill	$ 166,067				166,067
Predecessor | Detail of Fixed Assets, Excluding Vessels
Fixed assets, net
Depreciation and amortization					$ 458		$ 1,481

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