Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands	Preferred Stock [Member]	Common Stock [Member]	Common Stock Warrant [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Stock Acquired by ESOP [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2009	$ 36,293	$ 127	$ 878	$ (72,631)	$ 140,677	$ 0	$ (158)	$ 128,900	$ 234,086
Net income								8,108	8,108
Other comprehensive income							(184)		(184)
Stock option expense					168				168
Shares issued under stock option plan, with no income tax benefit				3					3
Preferred stock dividends accrued								(1,850)	(1,850)
Accretion on preferred shares	170							(170)	0
Balance at Dec. 31, 2010	36,463	127	878	(72,628)	140,845	0	(342)	134,988	240,331
Net income								15,534	15,534
Other comprehensive income							4,339		4,339
Stock option expense					144				144
Shares issued under stock option plan, with no income tax benefit				14				(3)	11
Shares issued capital stock				25,156	(5,297)				19,859
Restricted share activity under stock incentive Plans				75	136				211
Shares issued direct purchases				32	(3)				29
Preferred stock dividends accrued								(1,850)	(1,850)
Accretion on preferred shares	178							(178)	0
Common stock dividends declared								(481)	(481)
Balance at Dec. 31, 2011	36,641	127	878	(47,351)	135,825	0	3,997	148,010	278,127
Net income								18,664	18,664
Other comprehensive income							277		277
Stock option expense					104				104
Shares issued under stock option plan, with no income tax benefit				8				(4)	4
Restricted share activity under stock incentive Plans				30	116				146
Shares issued direct purchases				13	1				14
Preferred stock dividends accrued								(900)	(900)
Accretion on preferred shares	359							(359)	0
16,560 shares purchased in Treasury auction	(16,560)							618	(15,942)
20,440 shares purchased in open market	(20,440)							24	(20,416)
Common stock dividends declared								(1,950)	(1,950)
Balance at Dec. 31, 2012	$ 0	$ 127	$ 878	$ (47,300)	$ 136,046	$ 0	$ 4,274	$ 164,103	$ 258,128