Earnings Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income [Abstract]
Net income	$ 1,084	$ 1,704	$ 3,522	$ 2,365
Less preferred stock dividends	(127)	(127)	(381)	(381)
Net income applicable to common shareholders	957	1,577	3,141	1,984
Net income applicable to common shareholders, diluted	$ 957	$ 1,577	$ 3,141	$ 1,984
Shares [Abstract]
Weighted average shares outstanding, basic (in shares)	21,212	22,226	21,253	22,239
Effect of dilutive stock options (in shares)	76	146	66	157
Weighted average shares outstanding, diluted (in shares)	21,288	22,372	21,319	22,396
Per Share Amount [Abstract]
Net income applicable to common shareholders, basic (in dollars per share)	$ 0.05	$ 0.07	$ 0.15	$ 0.09
Net income applicable to common shareholders, diluted (in dollars per share)	$ 0.04	$ 0.07	$ 0.15	$ 0.09