GENERAL INFORMATION (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended								9 Months Ended	1 Months Ended		9 Months Ended
	Sep. 25, 2013	May 28, 2013	Aug. 31, 2013 Credit Facility [Member]	Nov. 30, 2010 Credit Facility [Member]	Apr. 16, 2010 Credit Facility [Member]	Sep. 30, 2013 Genco [Member]	Dec. 31, 2012 Genco [Member]	Sep. 30, 2013 Genco [Member] Minimum [Member]	Sep. 30, 2013 Class B Stock Par Value [Member]	Sep. 25, 2013 Class B Stock Par Value [Member] Genco [Member]	May 28, 2013 Class B Stock Par Value [Member] Genco [Member]	Sep. 30, 2013 Class B Stock Par Value [Member] Genco [Member]	Dec. 31, 2012 Class B Stock Par Value [Member] Genco [Member]	Aug. 01, 2012 Class B Stock Par Value [Member] Genco [Member] Amended Credit Facility [Member]	Sep. 30, 2013 Baltic Leopard [Member] Baltic Leopard Limited [Member] t	Sep. 30, 2013 Baltic Panther [Member] Baltic Panther Limited [Member] t	Sep. 30, 2013 Baltic Cougar [Member] Baltic Cougar Limited [Member] t	Sep. 30, 2013 Baltic Jaguar [Member] Baltic Jaguar Limited [Member] t	Sep. 30, 2013 Baltic Bear [Member] Baltic Bear Limited [Member] t	Sep. 30, 2013 Baltic Wolf [Member] Baltic Wolf Limited [Member] t	Sep. 30, 2013 Baltic Wind [Member] Baltic Wind Limited [Member] t	Sep. 30, 2013 Baltic Cove [Member] Baltic Cove Limited [Member] t	Sep. 30, 2013 Baltic Breeze [Member] Baltic Breeze Limited [Member] t	Sep. 30, 2013 Baltic Fox [Member] Baltic Fox Limited [Member] t	Sep. 30, 2013 Baltic Hare [Member] Baltic Hare Limited [Member] t	Sep. 30, 2013 Baltic Lion [Member] Baltic Lion Limited [Member] t		Sep. 30, 2013 Baltic Tiger [Member] Baltic Tiger Limited [Member] t
Vessels [Line Items]
Capacity of vessels (in dwt)															53,447	53,351	53,432	53,474	177,717	177,752	34,409	34,403	34,386	31,883	31,887	179,185	[1]	179,185	[1]
Class of Stock [Line Items]
Issuance of common shares (in shares)	13,800,000	6,419,217								276,000	128,383
Offering price (in dollars per share)	$ 4.60	$ 3.60
Net proceeds after deducting underwriters' fees and expenses	$ 59,481	$ 21,560							$ 0
Ownership interest held (in hundredths)						13.97%	24.78%	10.00%
Cost of investment											0
Percentage of additional shares to be received (in hundredths)												2.00%
Shares held by parent (in shares)												6,103,471	5,699,088
Aggregate voting power held (in hundredths)						70.90%	83.17%
Maximum borrowing capacity			$ 110,000	$ 150,000	$ 100,000									$ 1,400,000

[1] Delivery dates for vessels being delivered in the future are estimates based on guidance received from the sellers.