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Loans Held For Sale And Loan Servicing Rights (Tables)
12 Months Ended
Dec. 31, 2015
Loans Held For Sale And Loan Servicing Rights [Abstract]  
Activity In Capitalized Mortgage Servicing Assets
    2015     2014     2013  
Mortgage servicing assets, beginning of year $ 1,335   $ 1,479   $ 1,637  
Originations   166     172     277  
Amortization   (276 )   (316 )   (435 )
Mortgage servicing assets, end of year   1,225     1,335     1,479  
Valuation allowance   (1 )   (6 )   (3 )
Mortgage servicing assets, net, end of year $ 1,224   $ 1,329   $ 1,476