Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Numerator:
Net income	$ 2,727	$ 1,826	$ 7,315	$ 4,643
Less: Preferred stock dividend		253		699
Net income available to common shareholders	$ 2,727	$ 1,573	$ 7,315	$ 3,944
Denominator:
Weighted-average common shares outstanding - basic	6,238,465	4,829,514	6,232,536	4,775,791
Common stock equivalents	340,983	216,973	310,360	208,762
Weighted-average common shares outstanding - diluted	6,579,448	5,046,487	6,542,896	4,984,553
Earnings per common share:
Basic	$ 0.44	$ 0.33	$ 1.17	$ 0.83
Diluted	$ 0.41	$ 0.31	$ 1.12	$ 0.79