Consolidated Statements of Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Allocation From Shares Purchased With Loan To ESOP [Member] Additional Paid-in Capital [Member]	Allocation From Shares Purchased With Loan To ESOP [Member]	Vesting Of Recognition And Retention Plan [Member] Additional Paid-in Capital [Member]	Vesting Of Recognition And Retention Plan [Member]	Stock Compensation Plan [Member] Additional Paid-in Capital [Member]	Stock Compensation Plan [Member]	Preferred Stock [Member]	Preferred Stock [Member]	Common Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Common Stock [Member]	Preferred Stock [Member]	Total
Balances at Dec. 31, 2008								$ 20,507		$ 91		$ 48,008	$ 36,089	$ 25			$ 104,720
Comprehensive results:
Net income (loss)													(30,007)				(30,007)
Other comprehensive results, net of tax														(322)			(322)
Accretion of discount on preferred stock								82					(82)
Stock-based compensation	63	63	331	331	106	106
Stock options exercised												20	(20)
Cash dividends on preferred stock, net of accretion													(1,034)				(1,034)
Cash dividends on common stock													(1,535)				(1,535)
Balances at Dec. 31, 2009								20,589		91		48,528	3,411	(297)			72,322
Issuance of stock									33		14,007				14,040
Comprehensive results:
Net income (loss)													8,639				8,639
Other comprehensive results, net of tax														281			281
Accretion of discount on preferred stock								83					(83)
Stock-based compensation	50	50	316	316	99	99
Cash dividends on preferred stock, net of accretion													(1,025)				(1,025)
Cash dividends on common stock													(1,279)				(1,279)
Balances at Dec. 31, 2010								20,672		124		63,000	9,663	(16)			93,443
Issuance of stock							20,500									20,500
Comprehensive results:
Net income (loss)													241				241
Other comprehensive results, net of tax														309			309
Redemption of 20,500 shares of preferred stock issued to the U.S. Treasury under the Capital Purchase Program, a part of the Troubled Asset Relief Program ("TARP")								(20,500)									(20,500)
Accretion of discount on preferred stock								68					(68)
Repurchase of warrants								(240)				599					359
Stock-based compensation	35	35	163	163	101	101
Issuance of shares under RRP												(10)					(10)
Cash dividends on preferred stock, net of accretion													(1,526)				(1,526)
Cash dividends on common stock													(456)				(456)
Balances at Dec. 31, 2011								$ 20,500		$ 124		$ 63,888	$ 7,854	$ 293			$ 92,659