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SUPPLEMENTAL CASH FLOW INFORMATION (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Property
Dec. 31, 2012
Dec. 31, 2011
SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]      
State and federal income taxes paid $ 20,432,000 $ 9,197,000 $ 513,000
Income tax refunds 3,003,000 662,000 1,824,000
Increase (decrease) in property and equipment and lease obligations $ (2,600,000) $ 7,073,000 $ 4,535,000
Number of properties completed and lease finalized 1