Loans Accretable Yield Rollforward (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Beginning balance	$ 6,704	$ 7,132
Reclassification from nonaccretable to accretable	2,019	1,285
Accretion	(1,392)	(1,279)
Ending balance	9,378	$ 7,138
ASB Financial Corp. [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Ending balance	$ 2,047