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Intangible Assets (Narative) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Intangible Assets [Abstract]        
Amortization of intangible assets $ 302 $ 355 $ 908 $ 1,066