Earnings Per Common Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income [Abstract]
Net income	$ 1,451	$ 2,680	$ 3,148	$ 9,562
Less preferred stock dividends	(117)	(118)	(353)	(364)
Net income applicable to common shareholders	1,334	2,562	2,795	9,198
Effect of Series D preferred stock		118		364
Net income applicable to common shareholders, diluted		$ 2,680		$ 9,562
Shares [Abstract]
Weighted average shares outstanding (in shares)	20,768		20,885
Weighted average shares outstanding, basic (in shares)		21,299		21,250
Effect of dilutive stock options (in shares)				19
Effect of Series D preferred stock (in shares)		1,629		1,629
Weighted average shares outstanding, diluted (in shares)		22,928		22,898
Per Share Amount [Abstract]
Net income applicable to common shareholders (in dollars per share)	$ 0.06		$ 0.13
Net income applicable to common shareholders, basic (in dollars per share)	$ 0.06	$ 0.12	$ 0.13	$ 0.43
Net income applicable to common shareholders, diluted (in dollars per share)	$ 0.06	$ 0.12	$ 0.13	$ 0.42