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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Amortization expense of intangible assets $ 180 $ 194 $ 360 $ 388