Merger (Pro Forma Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Net interest income after loan loss provision	$ 11,414	$ 9,310	$ 22,167	$ 18,360
Noninterest income	1,559	1,362	3,206	2,798
Noninterest expense	9,742	7,558	20,925	15,360
Scottdale Bank and Trust Company [Member]
Business Acquisition [Line Items]
Net interest income after loan loss provision	11,414	10,883	22,167	1,448
Noninterest income	1,559	1,486	3,206	1,585
Noninterest expense	9,753	10,275	19,663	2,544
Net income	$ 2,768	$ 1,529	$ 4,831	$ 357
Net income per common share	$ 0.45	$ 0.25	$ 0.79	$ 0.06