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GENERAL INFORMATION (Details 1) - USD ($) $ / shares in Units, $ in Thousands	Jul. 09, 2014	Jul. 27, 2010	Dec. 31, 2014	Apr. 21, 2014	Dec. 31, 2013	Dec. 31, 2012	Aug. 20, 2010	Aug. 12, 2010
Chapter 11
GENERAL INFORMATION
Distributable Value	$ 1,230,000
Previous period covered under precedent transaction methodology	5 years
2007 Credit Facility \| Chapter 11
GENERAL INFORMATION
Bankruptcy claims settled by conversion into shares of entity (as a percent)	100.00%
$253 Million Term Loan Facility
GENERAL INFORMATION
Floating rate debt			$ 165,568
Maximum borrowing capacity			253,000
$253 Million Term Loan Facility \| Chapter 11
GENERAL INFORMATION
Maximum borrowing capacity			253,000
$100 Million Term Loan Facility
GENERAL INFORMATION
Floating rate debt			67,792
Maximum borrowing capacity			100,000
$100 Million Term Loan Facility \| Chapter 11
GENERAL INFORMATION
Maximum borrowing capacity			100,000
Common Stock \| Chapter 11
GENERAL INFORMATION
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%
Common Stock \| 2007 Credit Facility \| Chapter 11
GENERAL INFORMATION
New stock issued for bankruptcy claims settlement (as a percent)	81.10%
2010 Notes \| Chapter 11
GENERAL INFORMATION
Bankruptcy claims settled by conversion into shares of entity (as a percent)	100.00%
2010 Notes \| Common Stock \| Chapter 11
GENERAL INFORMATION
New stock issued for bankruptcy claims settlement (as a percent)	8.40%
Backstopped rights offering \| Common Stock \| Chapter 11
GENERAL INFORMATION
Percentage of new stock offered under offering	8.70%
Aggregate subscription price	$ 100,000
Backstopped rights offering \| Common Stock \| 2007 Credit Facility \| Chapter 11
GENERAL INFORMATION
Maximum percentage of subscription of new stock under offering	80.00%
Backstopped rights offering \| 2010 Notes \| Chapter 11
GENERAL INFORMATION
Maximum percentage of subscription of new stock under offering	20.00%
New Genco Equity Warrants \| Chapter 11
GENERAL INFORMATION
Subscription price (in dollars per share)	$ 20.99
Number of warrants issued for old common stock of Genco	3,938,298
Class of Warrant or Right Term	7 years
New Genco Equity Warrants \| Common Stock \| Chapter 11
GENERAL INFORMATION
Number of shares of new stock in which each warrant or right can be converted	1
Warrants exercisable as percentage of new stock	6.00%
Minimum \| Chapter 11
GENERAL INFORMATION
Distributable Value			1,100,000
Maximum \| Chapter 11
GENERAL INFORMATION
Distributable Value			$ 1,400,000
Discounted Cash Flow Methodology Valuation Technique \| Chapter 11
GENERAL INFORMATION
Weighted average cost of capital	10.10%
Projection period	4 years
Predecessor
GENERAL INFORMATION
Outstanding amount of derivatives					$ 6,975
Predecessor \| 2007 Credit Facility
GENERAL INFORMATION
Floating rate debt					1,055,912
Predecessor \| 2007 Credit Facility \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
GENERAL INFORMATION
Floating rate debt				$ 1,055,912
Predecessor \| $253 Million Term Loan Facility
GENERAL INFORMATION
Floating rate debt					180,793
Maximum borrowing capacity					253,000	$ 253,000	$ 253,000
Predecessor \| $253 Million Term Loan Facility \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
GENERAL INFORMATION
Floating rate debt				175,718
Predecessor \| $100 Million Term Loan Facility
GENERAL INFORMATION
Floating rate debt					75,484
Maximum borrowing capacity					100,000	$ 100,000		$ 100,000
Predecessor \| Interest rate swap \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
GENERAL INFORMATION
Outstanding amount of derivatives				5,622
Predecessor \| 2010 Notes
GENERAL INFORMATION
Principal amount of the 2010 Notes					$ 125,000
Interest rate on convertible notes (as a percent)		5.00%
Weighted average cost of capital		10.00%
Predecessor \| 2010 Notes \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
GENERAL INFORMATION
Principal amount of the 2010 Notes				$ 125,000
Interest rate on convertible notes (as a percent)				5.00%
Predecessor \| $100 Million Term Loan Facility \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
GENERAL INFORMATION
Floating rate debt				$ 73,561