Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Consolidated Balance Sheets [Abstract]
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	112,164,891	114,536,814
Common stock, shares outstanding	112,164,891	114,536,814
Covered Loans And Leases Receivable Allowance	$ 14,320	$ 2,721