Consolidated Condensed Statements of Changes in Stockholders' Equity (USD $) In Thousands	Preferred Stock [Member]	Common Stock [Member]	Warrant [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2010	$ 36,463	$ 127	$ 878	$ 140,845	$ (342)	$ 134,988	$ (72,628)	$ 240,331
Net income	0	0	0	0	0	11,471	0	11,471
Change in net unrealized gains and losses on available-for-sale securities	0	0	0	0	4,521	0	0	4,521
Stock option expense	0	0	0	109	0	0	0	109
Shares issued under stock option plan, with no income tax benefit	0	0	0	0	0	(3)	14	11
Shares issued capital stock	0	0	0	(5,297)	0	0	25,156	19,859
Restricted share activity under Stock Incentive Plans	0	0	0	108	0	0	75	183
Shares issued direct purchases	0	0	0	(2)	0	0	23	21
Preferred Stock Dividends accrued	0	0	0	0	0	(1,388)	0	1,388
Accretion on preferred shares	131	0	0	0	0	(131)	0	132
Balance at Sep. 30, 2011	36,594	127	878	135,763	4,179	144,937	(47,360)	275,118
Balance at Dec. 31, 2011	36,641	127	878	135,825	3,997	148,010	(47,351)	278,127
Net income	0	0	0	0	0	13,508	0	13,508
Change in net unrealized gains and losses on available-for-sale securities					1,866			1,866
Stock option expense	0	0	0	82	0	0	0	82
Shares issued under stock option plan, with no income tax benefit	0	0	0	0	0	(4)	8	4
Restricted share activity under Stock Incentive Plans	0	0	0	230	0	0	30	260
Shares issued direct purchases	0	0	0	1	0	0	10	11
Preferred Stock Dividends accrued	0	0	0	0	0	(900)	0	(900)
Accretion on preferred shares	359	0	0	0	0	(359)	0
16,560 shares purchased in U.S. Treasury auction	(16,560)	0	0	0	0	618	0	(15,942)
20,440 shares purchased in open market	(20,440)	0	0	0	0	24	0	(20,416)
Common stock dividends declared	0	0	0	0	0	(1,464)	0	(1,464)
Balance at Sep. 30, 2012	$ 0	$ 127	$ 878	$ 136,138	$ 5,863	$ 159,433	$ (47,303)	$ 255,136