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Other Operating Expense (Schedule of Other Operating Expense) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Other Operating Expense [Abstract]      
Postage and supplies $ 1,954 $ 2,008 $ 2,066
Promotional expense 2,268 2,049 2,024
Professional fees 1,690 1,566 1,340
Outside service fees 2,848 2,876 3,046
Data processing services 357 338 367
Telecommunications 1,068 1,045 955
Other 1,185 1,647 1,347
Total other operating expense $ 11,370 $ 11,529 $ 11,145