v3.8.0.1
Loans - Accretable Yield or Income Expected to be Collected on Purchased Credit Impaired Loans and Related Changes (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Receivables [Abstract]    
Beginning balance $ 289 $ 582
Accretion of income (82) (185)
Reclassifications from nonaccretable difference 66  
Disposals   (108)
Ending balance $ 273 $ 289