Consolidated Condensed Statements 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]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Beginning Balance at Dec. 31, 2009	$ 36,293	$ 127	$ 878	$ (72,631)	$ 140,677	$ (158)	$ 128,900	$ 234,086
Comprehensive income:
Net income							3,566	3,566
Change in net unrealized gains and losses on available-for-sale securities, net of income taxes						1,618		1,618
Total comprehensive income								5,184
Stock options exercised				3				3
Stock option expense					90			90
Preferred stock dividends							(925)	(925)
Accretion on preferred shares	82						(82)	82
Ending Balance at Jun. 30, 2010	36,375	127	878	(72,628)	140,767	1,460	131,459	238,438
Beginning Balance at Dec. 31, 2010	36,463	127	878	(72,628)	140,845	(342)	134,988	240,331
Comprehensive income:
Net income							7,410	7,410
Change in net unrealized gains and losses on available-for-sale securities, net of income taxes						2,373		2,373
Total comprehensive income								9,783
Stock options exercised				4			(1)	3
Stock option expense					76			76
Capital stock issuance				25,156	(5,297)			19,859
Purchase of treasury stock, restricted share award				75	(75)
Purchase of treasury stock, Directors				14	(2)			12
Preferred stock dividends							(925)	(925)
Accretion on preferred shares	86						(86)	86
Ending Balance at Jun. 30, 2011	$ 36,549	$ 127	$ 878	$ (47,379)	$ 135,547	$ 2,031	$ 141,386	$ 269,139