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Loans Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Debt Securities, Accretable Yield Movement Schedule [Roll Forward]    
Beginning Balance $ 6,803 $ 6,713
Additions 0 0
Accretion Income (605) (614)
Reductions Due to Exit Events (570) (147)
Reclassifications from (to) nonaccretable differences 804 726
Ending Balance $ 6,432 $ 6,678