ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended	0 Months Ended	3 Months Ended						6 Months Ended	12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2014	Jul. 09, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Jul. 09, 2014	Dec. 31, 2013	Dec. 31, 2012
Reclassifications Out of AOCI
Interest expense			$ 7,620us-gaap_InterestExpense
Net loss attributable to Genco Shipping & Trading Limited	164,003	18,290	182,294
Predecessor
Reclassifications Out of AOCI
Interest expense											41,061	88,216	87,558
Net loss attributable to Genco Shipping & Trading Limited				(892,919)	60,524	39,105	19,175	35,034	45,369	48,163	(793,291)	147,741	144,928
Predecessor \| Reclassification out of Accumulated Other Comprehensive Income
Reclassifications Out of AOCI
Net loss attributable to Genco Shipping & Trading Limited											2,580	9,963	13,440
Predecessor \| Net Unrealized Gain (Loss) on Cash Flow Hedges \| Interest rate contracts \| Reclassification out of Accumulated Other Comprehensive Income
Reclassifications Out of AOCI
Interest expense											$ 2,580	$ 9,963	$ 13,440