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Goodwill And Other Intangible Assets (Changes in Gross Carrying Amount Accumulated Amortization and Net Book Value) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Goodwill [Line Items]    
Net book value $ 10,111 $ 8,863
Core Deposits [Member]    
Goodwill [Line Items]    
Gross carrying amount 2,042 2,042
Accumulated amortization (1,829) (1,669)
Net book value 213 373
Other Intangible Assets [Member]    
Goodwill [Line Items]    
Gross carrying amount 13,883 11,378
Accumulated amortization (3,985) (2,888)
Net book value $ 9,898 $ 8,490