Acquisition of The Scottdale Bank and Trust Company (Pro Forma Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Net interest income after loan loss provision	$ 17,202	$ 15,811	$ 51,688	$ 37,978
Noninterest income	3,003	2,171	7,926	5,441
Noninterest expense	$ 14,683	15,270	$ 43,782	36,259
Scottdale Bank and Trust Company [Member]
Business Acquisition [Line Items]
Net interest income after loan loss provision		15,811		37,978
Noninterest income		2,165		5,371
Noninterest expense		15,232		34,895
Net income		$ 2,196		$ 7,109
Net income per common share		$ 0.29		$ 1.16