CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	3,000,000	3,000,000
Preferred stock, shares issued	1,400,000	1,400,000
Preferred stock, shares outstanding	1,400,000	1,400,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	240,000,000	240,000,000
Common stock, shares issued	66,397,199	66,340,695
Less: Common Stock held in treasury, shares	1,294,922	1,453,819