Earnings Per Common Share - Basic and Diluted Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Basic EPS
Net income	$ 2,023	$ 1,823	$ 3,629	$ 2,936
Preferred stock dividend and accretion	0	117	35	374
Income allocated to participating securities	8	16	16	23
Net income allocated to common shareholders	2,015	1,690	3,578	2,539
Average common shares outstanding	9,664,972	9,303,702	9,666,626	8,755,457
Less: participating shares included in average common shares outstanding	38,552	90,532	45,820	103,708
Average common shares outstanding used in basic EPS	9,626,420	9,213,170	9,620,806	8,651,749
Basic net income per share (in dollars per share)	$ 0.21	$ 0.18	$ 0.37	$ 0.29
Diluted EPS:
Income used in diluted earnings per share calculation	$ 2,015	$ 1,690	$ 3,578	$ 2,539
Average common shares outstanding	9,626,420	9,213,170	9,620,806	8,651,749
Stock Options	17,472	10,508	17,008	7,374
Average common stock shares outstanding	9,643,892	9,223,678	9,637,814	8,659,123
Diluted net income per share (in dollars per share)	$ 0.21	$ 0.18	$ 0.37	$ 0.29