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FAIR VALUE MEASUREMENTS (Impairment of Long-Lived Assets) (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Reported Value Measurement [Member]
Dec. 31, 2012
Impairment of Property and Equipment [Member]
Long-Lived Assets to be Abandoned [Line Items]    
Property and equipment, net $ 2,700,000  
Intangible and other assets, net 6,100,000  
Reduction in value of long-lived assets   $ 7,100,000