Outstanding Shares and Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jan. 24, 2013
Outstanding Shares and Earnings Per Share [Abstract]
Dividend declared as percentage of stock (in hundredths)				2.00%
Basic earnings per share [Abstract]
Net income	$ 4,646	$ 2,664	$ 2,665
Preferred stock dividends and accretion	(1,139)	(1,399)	(992)
Net income available to common shareholders	3,507	1,265	1,673
Weighted average common shares outstanding (in shares)	9,386,115	9,343,500	9,292,560
Basic earnings per share (in dollars per share)	$ 0.37	$ 0.14	$ 0.18
Diluted earnings per share [Abstract]
Net income	4,646	2,664	2,665
Preferred stock dividends and accretion	(1,139)	(1,399)	(992)
Net income available to common shareholders	$ 3,507	$ 1,265	$ 1,673
Weighted average common shares outstanding (in shares)	9,386,115	9,343,500	9,292,560
Effect of diluted options (in shares)	25,629	879	1,631
Adjusted weighted average common shares outstanding (in shares)	9,411,744	9,344,379	9,294,191
Diluted earnings per share (in dollars per share)	$ 0.37	$ 0.14	$ 0.18
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from EPS computation (in shares)	355,070	417,942	507,260
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from EPS computation (in shares)	0	45,946	47,018
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from EPS computation (in shares)		352,977	352,977