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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) | 12 Months Ended |
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Dec. 31, 2013 Subsidiary Agreement Segment Vessel | Dec. 31, 2012 Tanker Vessel | Dec. 31, 2011 | Dec. 31, 2004 Vessel
Orion Tankers Pool [Abstract] |  |  |  |
Number of tankers withdrawn from pool |  | 9 |  |
Cash and Cash Equivalents [Abstract] |  |  |  |
Original maturities of deposits classified as cash and cash equivalents | 3 months |  |  |
Vessels, Net [Abstract] |  |  |  |
Number of types of vessel | 1 |  |  |
Historical and Average Spot Market Rate | 15 years |  |  |
Estimate useful life of vessel | 25 years |  |  |
Impairment on vessels | $ 0 | $ 12,030,000 | $ 0 |
Impairment Of Long-Lived Assets [Abstract] |  |  |  |
Salvage value of the vessel | 9,700,000 |  |  |
Drydock [Abstract] |  |  |  |
Period when vessels are required to be drydocked, minimum | 30 months |  |  |
Period when vessels are required to be drydocked, maximum | 60 months |  |  |
Deferred Compensation Liability [Abstract] |  |  |  |
Number of individual deferred compensation agreements | 2 |  |  |
Segment Information [Abstract] |  |  |  |
Number of operating segment | 1 |  |  |
Income Taxes [Abstract] |  |  |  |
Number of wholly owned subsidiaries | 2 |  |  |
Income tax expense | 86,000 | 0 | 0 |
Credit Risk [Abstract] |  |  |  |
Allowance for doubtful accounts | 0 | 0 |  |
Interest Risk [Abstract] |  |  |  |
Derivatives outstanding | 0 | 0 |  |
Geographical Segment [Abstract] |  |  |  |
Total number of vessels | 20 | 20 |  | 3
Norway [Member] |  |  |  |
Income Taxes [Abstract] |  |  |  |
Income tax rate for wholly-owned subsidiaries in Norway (in hundredths) | 28.00% |  |  |
Income tax expense | 65,000 |  |  |
Income tax liability |  | 214,000 |  |
Vessels [Member] |  |  |  |
Vessels, Net [Abstract] |  |  |  |
Impairment on vessels |  | $ 12,030,000 |  |
Ballast Tank [Member] |  |  |  |
Vessels, Net [Abstract] |  |  |  |
Improvements amortized over a period |  | 8 years |  |

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