Earnings Per Common Share - Basic and Diluted Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Basic EPS
Net income	$ 1,847	$ 1,606
Preferred stock dividend and accretion	0	35
Income allocated to participating securities	4	6
Net income allocated to common shareholders	1,843	1,565
Average common shares outstanding	9,659,079	9,668,297
Less: participating shares included in average common shares outstanding	19,199	53,169
Average common shares outstanding used in basic EPS	9,639,880	9,615,128
Basic net income per share (in dollars per share)	$ 0.19	$ 0.16
Diluted EPS:
Income used in diluted earnings per share calculation	$ 1,843	$ 1,565
Average common shares outstanding	9,639,880	9,615,128
Stock Options	98,714	37,135
Average common stock shares outstanding	9,738,594	9,652,263
Diluted net income per share (in dollars per share)	$ 0.19	$ 0.16