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ACCRUED EXPENSES (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Payables and Accruals [Abstract]    
Vessel operating and drydocking expenses $ 8,298,000 $ 5,747,000
Administrative expenses 6,555,000 8,925,000
Interest expense 7,045,000 6,699,000
Provision for taxes 8,744,000 1,217,000
Accrued expenses 30,642,000 22,588,000
Cash paid for lease termination $ 6,000,000