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SHAREHOLDERS' EQUITY (Details) (USD $) | 12 Months Ended |  | 12 Months Ended | 1 Months Ended | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2007 | Dec. 31, 2011 Restricted Stock Awards [Member] Scandic American Shipping Ltd. [Member] | Dec. 31, 2010 Restricted Stock Awards [Member] Scandic American Shipping Ltd. [Member] | Dec. 31, 2006 Restricted Stock Awards [Member] Employees and Non-Employees [Member] Stock Incentive Plan 2004 [Member] | Dec. 31, 2010 Restricted Stock Awards [Member] Employees and Non-Employees [Member] Stock Incentive Plan 2004 [Member] | Dec. 31, 2011 Restricted Stock Awards [Member] Employees and Directors and Non-Employees [Member] | May 31, 2009 Common Stock [Member] | Jan. 31, 2009 Common Stock [Member] | Dec. 31, 2011 Common Stock [Member] | Dec. 31, 2010 Common Stock [Member] | Dec. 31, 2009 Common Stock [Member]
Authorized Shares [Roll forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period (in shares) | 51,200,000 |  |  |  |  |  |  |  |  |  |  | 51,200,000 | 51,200,000 | 51,200,000
Increased authorized share capital (in shares) |  |  |  |  |  |  |  |  |  |  |  | 38,800,000 |  |
Balance at end of period (in shares) | 90,000,000 | 51,200,000 |  |  |  |  |  |  |  |  |  | 90,000,000 | 51,200,000 | 51,200,000
Issued and Outstanding Shares [Roll forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period, issued (in shares) | 46,898,782 |  |  |  |  |  |  |  |  |  |  | 46,898,782 | 42,204,904 | 34,373,271
Balance at beginning of period, outstanding (in shares) | 46,898,782 |  |  |  |  |  |  |  |  |  |  | 46,898,782 | 42,204,904 | 34,373,271
Common Shares Issued in Follow-on Offering (in shares) |  |  |  |  |  |  |  |  |  | 4,225,000 | 3,450,000 | 400,000 | 4,600,000 | 7,675,000
Compensation - Restricted Shares (in shares) |  |  |  |  | 4,612 | 93,878 |  |  |  | 86,225 | 70,408 | 4,612 | 93,878 | 156,633
Balance at end of period, issued (in shares) | 47,303,394 | 46,898,782 |  |  |  |  |  |  |  |  |  | 47,303,394 | 46,898,782 | 42,204,904
Balance at end of period, outstanding (in shares) | 47,303,394 | 46,898,782 |  |  |  |  |  |  |  |  |  | 47,303,394 | 46,898,782 | 42,204,904
Common Stock [Roll forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  |  |  |  |  |  |  |  | $ 469,000 | $ 422,000 | $ 344,000
Common Shares Issued in Follow-on Offering | 4,000 | 136,510,000 | 236,684,000 |  |  |  |  |  |  | 42,000 | 35,000 | 4,000 | 46,000 | 77,000
Compensation - Restricted Shares | 67,000 | 2,838,000 | 5,366,000 |  |  |  |  |  |  | 1,000 | 0 | 0 | 1,000 | 1,000
Balance at end of period |  |  |  |  |  |  |  |  |  |  |  | 473,000 | 469,000 | 422,000
Common Stock [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |
Restricted shares issued (in shares) |  |  |  |  | 578,306 | 399,694 | 16,700 |  | 226,000 |  |  |  |  |
Restricted shares vested and outstanding to employees and non-employees (in shares) |  |  |  |  |  |  |  | 16,700 |  |  |  |  |  |
Net proceeds from underwritten public offering of common shares | 4,000 | 136,510,000 | 236,684,000 |  |  |  |  |  |  |  |  |  |  |
Issue price of common shares (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 32.00 | $ 32.50 |  |  |
Additional Paid in Capital [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Premium Fund | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |
Reduction of Share Premium |  | 136,414,000 | 236,607,000 |  |  |  |  |  |  |  |  |  |  |
Contributed Surplus Account [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss | $ (72,298,000) | $ (809,000) | $ 1,012,000 |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0
Shareholders' Rights Plan [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock purchase right |  |  |  | One preferred stock purchase right to purchase one one-thousandth of a share of our Series A Participating Preferred Stock for each outstanding share of our common stock, par value $0.01 per share |  |  |  |  |  |  |  |  |  |
Stockholders rights, exercise price |  |  |  | $ 115 |  |  |  |  |  |  |  |  |  |
Percentage of common stock ownership (in hundredths) |  |  |  | 15.00% |  |  |  |  |  |  |  |  |  |

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