CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, unless otherwise specified	Total	Preferred stock	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Stockholders' Equity, Balance at Dec. 31, 2008	$ 149,880	$ 0	$ 22,085	$ 141,371	$ (12,024)	$ (1,552)
Comprehensive income:
Net Income	18,979			18,979
Other comprehensive income (loss), net of tax	6,031				6,031
Comprehensive income	25,010
Common stock cash dividends declared, per share	(7,698)			(7,698)
Treasury shares purchased under deferred directors' plan	0		231			(231)
Treasury stock sold and distributed under deferred directors' plan	0		(243)			243
Stock activity under stock compensation plans	796		796
Stock compensation expense	411		411
Issuance of common stock	57,922		57,922
Issuance of shares of preferred stock, at discount	53,759	53,759
Issuance of warrant to purchase 396,538 shares of common stock	2,285		2,285
Accretion of preferred stock discount	0	336		(336)
Preferred stock dividend paid and/or accrued	(2,371)			(2,371)
Stockholders' Equity, Balance at Dec. 31, 2009	279,994	54,095	83,487	149,945	(5,993)	(1,540)
Comprehensive income:
Net Income	24,543			24,543
Other comprehensive income (loss), net of tax	7,343				7,343
Comprehensive income	31,886
Common stock cash dividends declared, per share	(9,989)			(9,989)
Treasury shares purchased under deferred directors' plan	0		212			(212)
Treasury stock sold and distributed under deferred directors' plan	0		(334)			334
Stock activity under stock compensation plans	1,662		1,662
Stock compensation expense	739		739
Redemption of shares of preferred stock	(56,044)	(56,044)
Accretion of preferred stock discount	0	1,949		(1,949)
Preferred stock dividend paid and/or accrued	(1,251)			(1,251)
Stockholders' Equity, Balance at Dec. 31, 2010	246,997	0	85,766	161,299	1,350	(1,418)
Comprehensive income:
Net Income	30,662			30,662
Other comprehensive income (loss), net of tax	3,789				3,789
Comprehensive income	34,451
Common stock cash dividends declared, per share	(10,058)			(10,058)
Treasury shares purchased under deferred directors' plan	0		244			(244)
Treasury stock sold and distributed under deferred directors' plan	0		(440)			440
Stock activity under stock compensation plans	468		468
Stock compensation expense	1,342		1,342
Stockholders' Equity, Balance at Dec. 31, 2011	$ 273,200	$ 0	$ 87,380	$ 181,903	$ 5,139	$ (1,222)