Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Shareholders' Equity
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	52,372	52,372
Preferred stock, shares outstanding	52,372	52,372
Preferred stock, liquidation preference	$ 1,000	$ 1,000
Common stock, par value	$ 5	$ 5
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	15,655,868	15,655,868
Common stock, shares outstanding	15,655,868	15,655,868