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GENERAL INFORMATION - Chapter 11 (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Jul. 09, 2014	Dec. 31, 2016	Dec. 31, 2015	Jun. 08, 2016	Apr. 21, 2014	Jul. 27, 2010
Chapter 11 Cases
Equity Financing				$ 125,000
Chapter 11
Chapter 11 Cases
Distributable Value	$ 1,230,000
Previous period covered under precedent transaction methodology	5 years
2007 Credit Facility \| Chapter 11
Chapter 11 Cases
Bankruptcy claims settled by conversion into shares of entity (as a percent)	100.00%
2007 Credit Facility \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
Chapter 11 Cases
Long-term debt					$ 1,055,912
$253 Million Term Loan Facility
Chapter 11 Cases
Maximum borrowing capacity	$ 253,000
$253 Million Term Loan Facility \| Chapter 11
Chapter 11 Cases
Maximum borrowing capacity		$ 253,000
$253 Million Term Loan Facility \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
Chapter 11 Cases
Term loan facility floating rate debt					175,718
$100 Million Term Loan Facility
Chapter 11 Cases
Maximum borrowing capacity	$ 100,000
$100 Million Term Loan Facility \| Chapter 11
Chapter 11 Cases
Maximum borrowing capacity		$ 100,000
$100 Million Term Loan Facility \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
Chapter 11 Cases
Term loan facility floating rate debt					73,561
Interest rate swap \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
Chapter 11 Cases
Outstanding amount of derivatives					5,622
Common Stock \| Chapter 11
Chapter 11 Cases
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
Chapter 11 Cases
New stock issued for bankruptcy claims settlement (as a percent)	81.10%
2010 Notes \| Chapter 11
Chapter 11 Cases
Bankruptcy claims settled by conversion into shares of entity (as a percent)	100.00%
2010 Notes \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
Chapter 11 Cases
Principal amount					$ 125,000
2010 Notes \| Common Stock \| Chapter 11
Chapter 11 Cases
New stock issued for bankruptcy claims settlement (as a percent)	8.40%
Backstopped rights offering \| Common Stock \| Chapter 11
Chapter 11 Cases
Percentage of new stock offered under offering	8.70%
Aggregate subscription price	$ 100,000
Backstopped rights offering \| Common Stock \| 2007 Credit Facility \| Chapter 11
Chapter 11 Cases
Maximum percentage of subscription of new stock under offering	80.00%
Backstopped rights offering \| 2010 Notes \| Chapter 11
Chapter 11 Cases
Maximum percentage of subscription of new stock under offering	20.00%
New Genco Equity Warrants \| Chapter 11
Chapter 11 Cases
Number of warrants issued for old common stock of Genco	3,938,298
Class of Warrant or Right Term	7 years
Exercise price per share	$ 209.90
Number of warrants not exercised		3,936,761	3,936,761
New Genco Equity Warrants \| Common Stock \| Chapter 11
Chapter 11 Cases
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%
Predecessor \| Discounted Cash Flow Methodology Valuation Technique \| Chapter 11
Chapter 11 Cases
Interest rate assumed for estimating fair value of the liability component (as a percent)	10.10%
Projection period	4 years
Predecessor \| 2010 Notes
Chapter 11 Cases
Interest rate on convertible notes (as a percent)						5.00%
Predecessor \| 2010 Notes \| Chapter 11 \| GS&T and wholly-owned subsidiaries excluding Baltic Trading Limited
Chapter 11 Cases
Interest rate on convertible notes (as a percent)					5.00%
Minimum \| Chapter 11
Chapter 11 Cases
Distributable Value		$ 1,100,000
Maximum \| Chapter 11
Chapter 11 Cases
Distributable Value		$ 1,400,000