Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands	Total	Series D Fixed Rate Cumulative Perpetual Preferred Stock	Series E Fixed Rate Cumulative Perpetual Preferred Stock	Preferred Stock Discount	Preferred Stock Discount Series D Fixed Rate Cumulative Perpetual Preferred Stock	Preferred Stock Discount Series E Fixed Rate Cumulative Perpetual Preferred Stock	Preferred Stock	Preferred Stock Series D Fixed Rate Cumulative Perpetual Preferred Stock	Preferred Stock Series E Fixed Rate Cumulative Perpetual Preferred Stock	Common Stock	Common Stock Series D Fixed Rate Cumulative Perpetual Preferred Stock	Common Stock Series E Fixed Rate Cumulative Perpetual Preferred Stock	Additional Paid-in Capital	Additional Paid-in Capital Series D Fixed Rate Cumulative Perpetual Preferred Stock	Additional Paid-in Capital Series E Fixed Rate Cumulative Perpetual Preferred Stock	Accumulated Deficit	Accumulated Deficit Series D Fixed Rate Cumulative Perpetual Preferred Stock	Accumulated Deficit Series E Fixed Rate Cumulative Perpetual Preferred Stock	Accumulated Other Comprehensive Income, Net	Accumulated Other Comprehensive Income, Net Series D Fixed Rate Cumulative Perpetual Preferred Stock	Accumulated Other Comprehensive Income, Net Series E Fixed Rate Cumulative Perpetual Preferred Stock	Treasury Stock	Treasury Stock Series D Fixed Rate Cumulative Perpetual Preferred Stock	Treasury Stock Series E Fixed Rate Cumulative Perpetual Preferred Stock
Beginning Balance at Dec. 31, 2010	$ 32,860			$ (1,380)			$ 18,594			$ 20			$ 10,740			$ 8,074			$ 263			$ (3,451)
Net income/loss for the year ended	(14,255)			0			0			0			0			(14,255)			0			0
Unrealized gain (loss) on securities available-for-sale, net of tax	308			0			0			0			0			0			308			0
Treasury stock issued to certain directors and senior officers	5			0			0			0			(2)			0			0			7
Cash dividends accrued		(431)	(297)		0	0		0	0		0	0		0	0		(431)	(297)		0	0		0	0
Stock-based compensation expense	86			0			0			0			86			0			0			0
Accretion of preferred stock discount	0			386			0			0			0			(386)			0			0
Ending Balance at Dec. 31, 2011	18,276			(994)			18,594			20			10,824			(7,295)			571			(3,444)
Net income/loss for the year ended	588			0			0			0			0			588			0			0
Unrealized gain (loss) on securities available-for-sale, net of tax	(253)			0			0			0			0			0			(253)			0
Treasury stock issued to certain directors and senior officers	200			0			0			0			(2,010)			0			0			2,210
Cash dividends accrued		(450)	(300)		0	0		0	0		0	0		0	0		(450)	(300)		0	0		0	0
Interest in unpaid dividends	(135)			0			0			0			0			(135)			0			0
Stock-based compensation expense	81			0			0			0			81			0			0			0
Accretion of preferred stock discount	0			396			0			0			0			(396)			0			0
Ending Balance at Dec. 31, 2012	$ 18,007			$ (598)			$ 18,594			$ 20			$ 8,895			$ (7,988)			$ 318			$ (1,234)