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Goodwill And Other Intangible Assets (Other Intangible Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]    
Other intangibles $ 13,140 $ 14,040
Accumulated amortization (1,886) (817)
Other intangibles, net $ 11,254 $ 13,223