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INTANGIBLE ASSETS (Information Concerning Intangible Assets with Finite Life) (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Information concerning intangible assets with finite life      
Gross Carrying Value $ 76,185 $ 76,185 $ 76,185
Accumulated Amortization 50,865 44,430 42,096
Net Carrying Value/Total estimated amortization expense $ 25,320 $ 31,755 $ 34,089