Earnings Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income [Abstract]
Net income	$ 922	$ 1,657
Less preferred stock dividends	(127)	(127)
Net income applicable to common shareholders	795	1,530
Net income applicable to common shareholders, diluted	$ 795	$ 1,530
Shares [Abstract]
Weighted average shares outstanding, basic (in shares)	21,182	21,274
Effect of dilutive stock options (in shares)	40	77
Weighted average shares outstanding, diluted (in shares)	21,222	21,351
Per Share Amount [Abstract]
Net income applicable to common shareholders, basic (in dollars per share)	$ 0.04	$ 0.07
Net income applicable to common shareholders, diluted (in dollars per share)	$ 0.04	$ 0.07