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Fair Values of Assets and Liabilities (Unobservable Inputs Reconciliations) (Details) - Recurring [Member] - Level 3 [Member] - Mortgage servicing rights [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Beginning balance $ 1,726 $ 1,552
Included in earnings, gross 1,088 644
Less amortization (583) (470)
Ending balance $ 2,231 $ 1,726