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RESTATEMENT OF CONSOLIDATED FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY - Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended								6 Months Ended		12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jul. 09, 2014	Dec. 31, 2016	Dec. 31, 2015
RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY
Net (loss) income	$ (25,104)	$ (27,514)	$ (110,653)	$ (54,483)	$ (49,498)	$ (73,803)	$ (51,952)	$ (79,115)	$ (213,358)		$ (217,757)	$ (254,368)
Change in unrealized gain/loss on investments									(25,317)		21	25,296
Other comprehensive income									(25,317)		21	25,296
Comprehensive loss									(238,675)		(217,736)	(229,072)
Less: Comprehensive loss attributable to noncontrolling interest									(31,064)			(59,471)
Comprehensive loss attributable to Genco Shipping & Trading Limited									$ (207,611)		$ (217,736)	$ (169,601)
Predecessor
RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY
Net (loss) income										$ (1,013,250)
Change in unrealized gain/loss on investments										(25,766)
Unrealized gain on cash flow hedges, net										2,401
Other comprehensive income										(23,365)
Comprehensive loss										(1,036,615)
Less: Comprehensive loss attributable to noncontrolling interest										(62,101)
Comprehensive loss attributable to Genco Shipping & Trading Limited										(974,514)
As Reported \| Predecessor
RESTATEMENT OF CONSOLIDATING FINANCIAL STATEMENTS OF THE PREDECESSOR COMPANY
Net (loss) income										784,557
Change in unrealized gain/loss on investments										(25,766)
Unrealized gain on cash flow hedges, net										2,401
Other comprehensive income										(23,365)
Comprehensive loss										761,192
Less: Comprehensive loss attributable to noncontrolling interest										(8,734)
Comprehensive loss 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)
Other comprehensive income										0
Comprehensive loss										(1,797,807)
Less: Comprehensive loss attributable to noncontrolling interest										(53,367)
Comprehensive loss attributable to Genco Shipping & Trading Limited										$ (1,744,440)