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Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Basic earnings per share:
Net income available to shareholders	$ 1,766	$ 1,884	$ 5,786	$ 5,294
Basic earnings per share (in dollars per share)	$ 0.30	$ 0.32	$ 0.99	$ 0.90
Diluted earnings per share:
Net income available to shareholders	$ 1,766	$ 1,884	$ 5,786	$ 5,294
Average shares outstanding	5,825,825	5,859,415	5,834,679	5,869,569
Effect of dilutive stock options	5,561	0	5,198	0
Average shares outstanding including dilutive stock options	5,831,386	5,859,415	5,839,877	5,869,569
Diluted earnings per share (in dollars per share)	$ 0.30	$ 0.32	$ 0.99	$ 0.90

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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