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PROPERTY AND EQUIPMENT, NET (Capital Leases) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
PROPERTY AND EQUIPMENT, NET [Abstract]    
Capital leases $ 16,645 $ 17,095
Less accumulated depreciation (8,145) (7,198)
Assets under capital lease, net $ 8,500 $ 9,897