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Goodwill And Other Intangible Assets (Changes In The Accumulated Amortization And Net Book Value) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Goodwill [Line Items]      
Net carrying value at end of period $ 9,223 $ 6,544  
Core Deposits [Member]      
Goodwill [Line Items]      
Gross carrying amount 2,042 2,042  
Accumulated amortization (1,464) (1,213)  
Net carrying value at end of period 578 829  
Amortization during the year 251 296 $ 341
Other Intangible Assets [Member]      
Goodwill [Line Items]      
Gross carrying amount 10,568 6,640  
Accumulated amortization (1,923) (925)  
Net carrying value at end of period 8,645 5,715  
Amortization during the year $ 998 $ 646 $ 279