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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, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based compensation expense $ 845 $ 674 $ 471
Salaries and Employee Benefits [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based compensation expense 601 431 270
Other Noninterest Expense [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total share-based compensation expense $ 244 $ 243 $ 201