Merger (Merger, Pro Forma Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Merger [Abstract]
Net interest income after loan loss provision	$ 5,147	$ 15,596
Noninterest income	1,241	3,701
Noninterest expense	4,847	13,959
Net income available to common shareholders	$ 1,531	$ 5,179
Consolidated net income per common share	$ 0.30	$ 1.01