Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data	Sep. 30, 2011	Dec. 31, 2010
Consolidated Balance Sheets
Loans receivable	$ 4.3	$ 0.8
Preferred stock, shares par value	$ 0.01	$ 0.01
Preferred stock, shares liquidation par value	$ 25	$ 25
Preferred stock, shares authorized	12,500,000	12,500,000
Preferred stock, shares issued	6,400,000	6,400,000
Preferred stock, shares outstanding	6,400,000	6,400,000
Common stock, shares par value	$ 0.06	$ 0.06
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	68,010,000	66,520,000
Common stock, shares outstanding	68,010,000	66,520,000
Treasury stock, shares	1,325,000	1,120,000