Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Market value on securities held-to-maturity (in Dollars)		$ 823,906
Amortized cost on securities available-for-sale (in Dollars)	$ 1,637,965	$ 1,290,676
Preferred stock shares authorized	10,000,000	10,000,000
Preferred stock shares issued		258,000
Preferred stock shares outstanding		258,000
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock shares authorized	100,000,000	100,000,000
Common stock shares issued	83,797,434	82,985,853
Common stock shares outstanding	79,589,869	78,778,288
Treasury stock shares	4,207,565	4,207,565