Earnings Per Share - Basic (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Basic Earnings Per share
Net Income	$ 1,709	$ 1,773	$ 3,422	$ 3,361
Less: Preferred stock dividends and accretion	(87)	(99)	(175)	(198)
Net income available to common shareholders	$ 1,622	$ 1,674	$ 3,247	$ 3,163
Weighted average shares outstanding (in shares)	9,592,045	9,516,110	9,581,172	9,495,890
Basic earnings per share (in dollars per share)	$ 0.17	$ 0.18	$ 0.34	$ 0.33