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SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 Segment | Dec. 31, 2012 | Dec. 31, 2011
SEGMENT INFORMATION [Abstract] |  |  |  |  |  |  |  |  |  |  |
Number of operating segments |  |  |  |  |  |  |  |  | 2 |  |
Voyage Revenue from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated voyage revenue from external customers |  |  |  |  |  |  |  |  | $ 224,179 | $ 223,159 | $ 388,929
Intersegment revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated intersegment revenue | 81,785 | 59,433 | 45,760 | 40,486 | 49,247 | 54,431 | 62,931 | 59,844 | 227,464 | 226,453 | 392,214
Depreciation and amortization [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated depreciation and amortization |  |  |  |  |  |  |  |  | 140,743 | 139,063 | 136,203
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated interest expense |  |  |  |  |  |  |  |  | 88,216 | 87,558 | 86,722
Net (loss) income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated net (loss) income | (19,155) | (36,976) | (48,940) | (51,950) | (48,864) | (42,037) | (30,492) | (36,383) | (157,021) | (157,776) | 25,068
Total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated assets | 2,957,254 |  |  |  | 2,843,371 |  |  |  | 2,957,254 | 2,843,371 |
Expenditures for vessels [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated expenditures for vessels |  |  |  |  |  |  |  |  | 145,350 | 1,155 | 130,328
Intersegment Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Intersegment revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated intersegment revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |
Voyage Revenue from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated voyage revenue from external customers |  |  |  |  |  |  |  |  | 224,179 | 223,159 | 388,929
Depreciation and amortization [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated depreciation and amortization |  |  |  |  |  |  |  |  | 140,908 | 139,219 | 136,359
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated interest expense |  |  |  |  |  |  |  |  | 88,216 | 87,558 | 86,722
Net (loss) income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated net (loss) income |  |  |  |  |  |  |  |  | (155,446) | (156,565) | 27,478
Total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated assets | 2,962,178 |  |  |  | 2,846,856 |  |  |  | 2,962,178 | 2,846,856 |
Expenditures for vessels [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated expenditures for vessels |  |  |  |  |  |  |  |  | 146,790 | 1,155 | 131,406
Operating Segments [Member] | Intersegment Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Intersegment revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated intersegment revenue |  |  |  |  |  |  |  |  | 4,571 | 2,816 | 3,024
GS&T [Member] |  |  |  |  |  |  |  |  |  |  |
Voyage Revenue from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated voyage revenue from external customers |  |  |  |  |  |  |  |  | 188,206 | 195,855 | 345,437
Depreciation and amortization [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated depreciation and amortization |  |  |  |  |  |  |  |  | 125,344 | 124,405 | 121,590
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated interest expense |  |  |  |  |  |  |  |  | 83,761 | 83,306 | 82,300
Net (loss) income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated net (loss) income |  |  |  |  |  |  |  |  | (144,054) | (139,295) | 27,908
Total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated assets | 2,404,811 |  |  |  | 2,482,486 |  |  |  | 2,404,811 | 2,482,486 |
Expenditures for vessels [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated expenditures for vessels |  |  |  |  |  |  |  |  | 192 | 1,155 | 128,836
GS&T [Member] | Intersegment Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Intersegment revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated intersegment revenue |  |  |  |  |  |  |  |  | 4,571 | 2,816 | 3,024
Baltic Trading [Member] |  |  |  |  |  |  |  |  |  |  |
Voyage Revenue from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated voyage revenue from external customers |  |  |  |  |  |  |  |  | 35,973 | 27,304 | 43,492
Intersegment revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Percentage of purchase fee capitalized as part of vessel assets (in hundredths) |  |  |  |  |  |  |  |  | 1.00% |  |
Depreciation and amortization [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated depreciation and amortization |  |  |  |  |  |  |  |  | 15,564 | 14,814 | 14,769
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated interest expense |  |  |  |  |  |  |  |  | 4,455 | 4,252 | 4,422
Net (loss) income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated net (loss) income |  |  |  |  |  |  |  |  | (11,392) | (17,270) | (430)
Total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated assets | 557,367 |  |  |  | 364,370 |  |  |  | 557,367 | 364,370 |
Expenditures for vessels [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated expenditures for vessels |  |  |  |  |  |  |  |  | 146,598 | 0 | 2,570
Baltic Trading [Member] | Intersegment Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Intersegment revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated intersegment revenue |  |  |  |  |  |  |  |  | 0 | 0 | 0
Intersegment Elimination [Member] |  |  |  |  |  |  |  |  |  |  |
Voyage Revenue from External Customers [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated voyage revenue from external customers |  |  |  |  |  |  |  |  | 0 | 0 | 0
Depreciation and amortization [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated depreciation and amortization |  |  |  |  |  |  |  |  | (165) | (156) | (156)
Interest expense [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated interest expense |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net (loss) income [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated net (loss) income |  |  |  |  |  |  |  |  | 1,575 | 1,211 | 2,410
Total assets [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated assets | (4,924) |  |  |  | (3,485) |  |  |  | (4,924) | (3,485) |
Expenditures for vessels [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated expenditures for vessels |  |  |  |  |  |  |  |  | (1,440) | 0 | (1,078)
Intersegment Elimination [Member] | Intersegment Revenue [Member] |  |  |  |  |  |  |  |  |  |  |
Intersegment revenue [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total consolidated intersegment revenue |  |  |  |  |  |  |  |  | $ (4,571) | $ (2,816) | $ (3,024)

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