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Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Market value on securities held-to-maturity (in Dollars) | $ 823,906 | $ 1,203,977
Amortized cost on securities available-for-sale (in Dollars) | $ 1,290,676 | $ 1,309,521
Preferred stock shares authorized (in Shares) | 10,000,000 | 10,000,000
Preferred stock shares issued (in Shares) | 258,000 | 258,000
Preferred stock shares outstanding (in Shares) | 258,000 | 258,000
Common stock par value (in Dollars per share) | $ 0.01 | $ 0.01
Common stock shares authorized (in Shares) | 100,000,000 | 100,000,000
Common stock shares issued (in Shares) | 82,985,853 | 82,860,122
Common stock shares outstanding (in Shares) | 78,778,288 | 78,652,557
Treasury stock shares (in Shares) | 4,207,565 | 4,207,565

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- Definition Amount of available-for-sale debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 2 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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