CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED BALANCE SHEETS
Securities held to maturity, fair value (in dollars)	$ 1,613	$ 1,888
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	1,000,000	1,000,000
Preferred stock, liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Series A 5% (increasing to 9% in 2014) cumulative preferred stock, issued shares	25,000	25,000
Series A 5% (increasing to 9% in 2014) cumulative preferred stock, outstanding shares	25,000	25,000
Preferred Stock Series A dividend rate (as a percent)	5.00%	5.00%
Preferred Stock Series A dividend rate increase (as a percent)	9.00%	9.00%
Preferred stock, discount (in dollars)	$ 1,021	$ 1,480
Common stock, par value (in dollars per share)	$ 5.00	$ 5.00
Common stock, authorized shares	20,000,000	20,000,000
Common stock, issued shares	6,649,087	6,546,273
Treasury stock, shares	10,484	10,484