Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Earnings per common share - basic
Net income	$ 3,986	$ 4,154
Less: Preferred stock dividends and discount accretion	0	75
Net income available to common stockholders	$ 3,986	$ 4,079
Average common shares outstanding (in shares)	2,146,130	1,982,072
Basic earnings per common share (in dollars per share)	$ 1.86	$ 2.06
Earnings per common share - diluted
Net income available to common stockholders	$ 3,986	$ 4,079
Average common shares outstanding (in shares)	2,146,130	1,982,072
Add: Dilutive effects of assumed exercises of restricted stock and stock options (in shares)	5,971	6,551
Average shares and dilutive potential common shares (in shares)	2,152,101	1,988,623
Diluted earnings per common share (in dollars per share)	$ 1.85	$ 2.05
Stock options and restricted stock awards not considered in computing diluted earnings per share because they were antidilutive (in shares)	57,000	67,000