Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Basic earnings per share:
Net income available to shareholders	$ 2,100	$ 1,998
Basic earnings per share (in dollars per share)	$ 0.37	$ 0.35
Diluted earnings per share:
Net income available to shareholders	$ 2,100	$ 1,998
Average shares outstanding	5,615,300	5,654,066
Effect of dilutive stock options	4,726	0
Average shares outstanding including dilutive stock options	5,620,026	5,654,066
Diluted earnings per share (in dollars per share)	$ 0.37	$ 0.35