Business Combination and Goodwill (Proforma Results) (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]
Total revenue (net interest income plus noninterest income)			$ 27,227	$ 23,534
Net income	$ 2,335	$ 2,543	$ 3,556	$ 4,885
Basic earnings per common share	$ 0.42	$ 0.55	$ 0.64	$ 1.05
County First Bank Acquisition [Member]
Business Acquisition [Line Items]
Proforma, Total revenue (net interest income plus noninterest income)				$ 27,794
Proforma, Net income				$ 5,526
Proforma, Basic earnings per common share				$ 1.00
County First Bank [Member]
Business Acquisition [Line Items]
Total revenue (net interest income plus noninterest income)				$ 4,260
Net income				$ 641
Basic earnings per common share				$ 0.70