Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Basic earnings per share:
Net income	$ 1,119	$ 1,084
Net income available for common stockholders	$ 1,119	$ 1,084
Weighted Average Shares, basic
Weighted Average Shares, basic	2,539,597	2,526,377
Weighted Average Shares, diluted
Net income available to common stockholders and assumed conversions	$ 1,119	$ 1,084
Weighted Average Shares, diluted	2,542,937	2,541,370
Per Share Amount
Basic earnings per common share (in dollars per share)	$ 0.44	$ 0.43
Diluted earnings per common share (in dollars per share)	$ 0.44	$ 0.43
Diluted earnings per share
Net income available to common stockholders and assumed conversions	$ 1,119	$ 1,084
Performance share units
Weighted Average Shares, diluted
Weighted Average Shares, diluted	3,340	14,993