Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS (Information Concerning Intangible Assets with Finite Life) (Details)

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INTANGIBLE ASSETS (Information Concerning Intangible Assets with Finite Life) (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Information concerning intangible assets with finite life      
Gross Carrying Value $ 76,185 $ 76,185 $ 76,185
Accumulated Amortization 54,755 52,875 46,652
Net Carrying Value $ 21,430 $ 23,310 $ 29,533