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Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator:
Net income available to common shareholders	$ 3,604	$ 3,306	$ 6,716	$ 6,312
Denominator:
Weighted-average common shares outstanding - basic	6,986,948	6,301,853	6,713,608	6,287,350
Common stock equivalents	379,260	400,967	385,773	395,776
Weighted-average common shares outstanding - diluted	7,366,208	6,702,820	7,099,381	6,683,126
Earnings per common share:
Basic	$ 0.52	$ 0.52	$ 1.00	$ 1.00
Diluted	$ 0.49	$ 0.49	$ 0.95	$ 0.94

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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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