Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share, Two Class Method and Antidilutive Securities Excluded from Computation [Line Items]
Net income	$ 222	$ 1,753	$ 2,820	$ 3,360
Preferred dividends	507	471	1,004	934
Net income (loss) applicable to common stock	(285)	1,282	1,816	2,426
Net income allocated to common stockholders, Distributed	92	92	185	184
Net income allocated to common stockholders, Undistributed	(365)	1,134	1,562	2,181
Distributed and undistributed earnings	$ (273)	$ 1,226	$ 1,747	$ 2,365
Weighted-average basic common and participating shares outstanding	9,607,329	9,596,919	9,606,222	9,399,697
Less: weighted average participating restricted shares outstanding	372,877	432,343	373,259	239,171
Weighted-average basic shares outstanding	9,234,452	9,164,576	9,232,963	9,160,526
Basic net income per share (in dollars per share)	$ (0.03)	$ 0.14	$ 0.19	$ 0.26
Add: share-based options and stock warrant	0	0	170,598	0
Weighted-average basic common and participating shares outstanding including share based options and stock warrants	9,607,329	9,596,919	9,776,820	9,399,697
Weighted-average dilutive shares oustanding	9,234,452	9,164,576	9,403,561	9,160,526
Dilutive net income per share (in dollars per share)	$ (0.03)	$ 0.14	$ 0.19	$ 0.26
Stock Options
Earnings Per Share, Two Class Method and Antidilutive Securities Excluded from Computation [Line Items]
Weighted-average shares of potentially dilutive instruments that are not included in dilutive share calculation due to anti-dilutive effect	11,303	29,714	17,555	31,657
Stock Warrant
Earnings Per Share, Two Class Method and Antidilutive Securities Excluded from Computation [Line Items]
Weighted-average shares of potentially dilutive instruments that are not included in dilutive share calculation due to anti-dilutive effect	0	513,113	0	513,113
Restricted Stock
Earnings Per Share, Two Class Method and Antidilutive Securities Excluded from Computation [Line Items]
Less: weighted average participating restricted shares outstanding	372,877	432,343	373,259	239,171