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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]  
Schedule of Derivative Instruments
Notional Amount     Variable Rate     Fixed Cost     Maturity Date
$ 650,000       3.96 %     5.70 %   February 1, 2015
$ 1,170,831       3.36 %     5.865 %   August 30, 2021