Consolidated Statements of Changes in Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Preferred Stock [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]
Balance, beginning of year at Dec. 31, 2008	$ 28,092	$ 1,345	$ 1,115	$ 10,287	$ 16,694	$ (1,124)	$ (225)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(7,822)				(7,822)
Other comprehensive loss
Unrealized holding gains (losses) on securities arising during period, net of tax	4,997					(4,997)
Reclassification adjustment for gains (losses) included in net income, net of tax	(2,333)					(2,333)
Total other comprehensive loss	(5,158)
Transition adjustment for adoption of FASB ASC 320-10-65-1					1,007	(1,007)
Proceeds from issuance of preferred stock	9,439			9,439
Purchase of treasury stock	(3)						(3)
Dividends paid on common stock	(1,094)				(1,094)
Dividend paid on preferred stock	(263)				(263)
Dividends accrued on preferred stock				60	(60)
Balance, end of year at Dec. 31, 2009	31,013	1,345	1,115	19,786	8,462	533	(228)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(7,457)				(7,457)
Other comprehensive loss
Unrealized holding gains (losses) on securities arising during period, net of tax	(177)					177
Transfer of held to maturity securities to available for sale at market value, net of tax	890					890
Reclassification adjustment for gains (losses) included in net income, net of tax	(1,373)					(1,373)
Total other comprehensive loss	(8,117)
Dividends accrued on preferred stock				491	(491)
Balance, end of year at Dec. 31, 2010	22,896	1,345	1,115	20,277	514	(127)	(228)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,677)				(3,677)
Other comprehensive loss
Unrealized holding gains (losses) on securities arising during period, net of tax	1,203					(1,203)
Reclassification adjustment for gains (losses) included in net income, net of tax	(653)					(653)
Total other comprehensive loss	(3,127)
Dividends accrued on preferred stock				514	0
Issuance of treasury stock	2						2
Balance, end of year at Dec. 31, 2011	$ 19,771	$ 1,345	$ 601	$ 20,791	$ (3,163)	$ 423	$ (226)

CITY NATIONAL BANCSHARES CORP 10-K