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GENERAL INFORMATION (Details) (USD $) In Thousands, except Share data, unless otherwise specified																				0 Months Ended
	Jun. 30, 2014 5.00% convertible senior notes	Dec. 31, 2013 5.00% convertible senior notes	Jun. 30, 2014 2007 Credit Facility	Dec. 31, 2013 2007 Credit Facility	Jun. 30, 2014 $253 Million Term Loan Facility	Mar. 31, 2014 $253 Million Term Loan Facility	Dec. 31, 2013 $253 Million Term Loan Facility	Aug. 20, 2010 $253 Million Term Loan Facility	Jun. 30, 2014 $100 Million Term Loan Facility	Mar. 31, 2014 $100 Million Term Loan Facility	Dec. 31, 2013 $100 Million Term Loan Facility	Aug. 12, 2010 $100 Million Term Loan Facility	Jun. 30, 2014 Chapter 11 $253 Million Term Loan Facility	Jun. 30, 2014 Chapter 11 $100 Million Term Loan Facility	Apr. 21, 2014 GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited Chapter 11 Interest rate swap	Apr. 21, 2014 GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited Chapter 11 5.00% convertible senior notes	Apr. 21, 2014 GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited Chapter 11 2007 Credit Facility	Apr. 21, 2014 GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited Chapter 11 $253 Million Term Loan Facility	Apr. 21, 2014 GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited Chapter 11 $100 Million Term Loan Facility	Jul. 09, 2014 Subsequent Event Chapter 11 New Genco Equity Warrants	Jul. 09, 2014 Subsequent Event Chapter 11 Common Stock	Jul. 09, 2014 Subsequent Event Chapter 11 Common Stock New Genco Equity Warrants	Jul. 09, 2014 Subsequent Event Chapter 11 Common Stock Backstopped rights offering	Jul. 09, 2014 Subsequent Event Chapter 11 5.00% convertible senior notes	Jul. 09, 2014 Subsequent Event Chapter 11 5.00% convertible senior notes Common Stock	Jul. 09, 2014 Subsequent Event Chapter 11 5.00% convertible senior notes Common Stock Backstopped rights offering	Jul. 09, 2014 Subsequent Event Chapter 11 2007 Credit Facility	Jul. 09, 2014 Subsequent Event Chapter 11 2007 Credit Facility Common Stock	Jul. 09, 2014 Subsequent Event Chapter 11 2007 Credit Facility Common Stock Backstopped rights offering
Chapter 11 Cases
Outstanding amount of credit facility				$ 1,055,912			$ 180,793				$ 75,484						$ 1,055,912	$ 175,718	$ 73,561
Maximum borrowing capacity			1,055,912		253,000	253,000	253,000	253,000	100,000	100,000	100,000	100,000	253,000	100,000
Principal amount of the 2010 Notes	125,000	125,000														125,000
Interest rate on convertible notes (as a percent)	5.00%															5.00%
Outstanding amount of derivatives															5,622
Bankruptcy claims settled by conversion into shares of entity (as a percent)																								100.00%			100.00%
New stock issued for bankruptcy claims settlement (as a percent)																									8.40%			81.10%
Percentage of new stock offered under offering																							8.70%
Maximum percentage of subscription of new stock under offering																										20.00%			80.00%
Number of shares of new stock in which each warrant or right can be converted																						1	1
Subscription price (in dollars per share)																				$ 20.99			$ 18.62537
Aggregate subscription price																							$ 100,000
Number of warrants issued for old common stock of Genco																				3,938,298
Warrants exercisable as percentage of new stock																						6.00%
New Genco MIP Primary Equity shares distribution as percentage of new stock																					1.80%
Minimum percentage of new stock providing demand and piggyback registration rights under the registration rights agreement																					10.00%
Term of warrants																				7 years

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