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GAIN ON SETTLEMENT OF DEBT (Details) (USD $)
 12 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Jun. 30, 2011
Mortgage
GAIN ON SETTLEMENT OF DEBT        
Principal balance of loan paid off       $ 8,893,000
Payment of debt 32,422,000 15,302,000 10,689,000 7,634,000
Gain on settlement of debt, net of write off of deferred mortgage costs   1,240,000   1,240,000
Write off of remaining balance of deferred mortgage costs       $ 19,000