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RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY (Details 2) - USD ($) $ in Thousands		3 Months Ended								6 Months Ended		12 Months Ended
	Jul. 09, 2014	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Jul. 09, 2014	Dec. 31, 2013	Dec. 31, 2012
RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY
Net (loss) income		$ (190,795)	$ (22,562)							$ (213,358)
Change in unrealized (loss) gain on investments										(25,317)
Other comprehensive (loss) income										(25,317)
Comprehensive loss										(238,675)
Less: Comprehensive loss attributable to noncontrolling interest										(31,064)
Comprehensive loss (income) attributable to Genco Shipping & Trading Limited										$ (207,611)
Predecessor
RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY
Net (loss) income	$ (905,455)			$ (65,557)	$ (42,238)	$ (19,155)	$ (36,976)	$ (48,940)	$ (51,950)		$ (1,013,250)	$ (157,021)	$ (157,776)
Change in unrealized (loss) gain on investments											(25,766)	56,482	(3,480)
Unrealized gain on cash flow hedges, net											2,401	9,081	9,188
Other comprehensive (loss) income											(23,365)	65,563	5,708
Comprehensive loss											(1,036,615)	(91,458)	(152,068)
Less: Comprehensive loss attributable to noncontrolling interest											(62,101)	(9,280)	(12,848)
Comprehensive loss (income) attributable to Genco Shipping & Trading Limited											(974,514)	$ (82,178)	$ (139,220)
As Reported \| Predecessor
RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY
Net (loss) income											784,557
Change in unrealized (loss) gain on investments											(25,766)
Unrealized gain on cash flow hedges, net											2,401
Other comprehensive (loss) income											(23,365)
Comprehensive loss											761,192
Less: Comprehensive loss attributable to noncontrolling interest											(8,734)
Comprehensive loss (income) attributable to Genco Shipping & Trading Limited											769,926
Adjustment \| Predecessor
RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY
Net (loss) income											(1,797,807)
Comprehensive loss											(1,797,807)
Less: Comprehensive loss attributable to noncontrolling interest											(53,367)
Comprehensive loss (income) attributable to Genco Shipping & Trading Limited											$ (1,744,440)