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Premises and Equipment (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Abstract]      
Depreciation expense $ 3,954 $ 3,624 $ 3,245
Rent expense $ 1,648 $ 1,499 $ 1,397