Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Apr. 07, 2014
Jun. 30, 2013
Jul. 27, 2010
Document and Entity Information [Abstract]        
Entity Registrant Name GENCO SHIPPING & TRADING LTD      
Entity Central Index Key 0001326200      
Document Type 10-K      
Document Period End Date Dec. 31, 2013      
Amendment Flag false      
Current Fiscal Year End Date --12-31      
Entity Well-known Seasoned Issuer No      
Entity Voluntary Filers No      
Entity Current Reporting Status Yes      
Entity Filer Category Accelerated Filer      
Last sale price (in dollars per share)     $ 1.63 $ 16.00
Entity Public Float     $ 61.0  
Entity Common Stock, Shares Outstanding   44,449,407    
Document Fiscal Year Focus 2013      
Document Fiscal Period Focus FY