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Share-Based Compensation (Share-Based Compensation Expense Included In Consolidated Statements Of Income) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation $ 1,301 $ 1,174 $ 845
Salaries and Employee Benefits [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation 1,045 927 601
Other Noninterest Expense [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation $ 256 $ 247 $ 244