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Securities (Schedule Of Amortized Cost And Fair Value Of Securities Available For Sale) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2012 | Dec. 31, 2011
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Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | $ 1,101,523 | $ 645,658
Securities Available For Sale, Gross Unrealized Gains | 12,189 | 9,829
Securities Available For Sale, Gross Unrealized Loss | (15,911) | (14,916)
Securities Available For Sale, Fair Value | 1,097,801 | 640,571
U.S. Treasury And Other U.S. Government Agencies And Corporations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 366,075 | 231,187
Securities Available For Sale, Gross Unrealized Gains | 406 | 642
Securities Available For Sale, Gross Unrealized Loss | (632) |
Securities Available For Sale, Fair Value | 365,849 | 231,829
Agency Mortgage-Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 337,045 | 166,758
Securities Available For Sale, Gross Unrealized Gains | 5,675 | 4,853
Securities Available For Sale, Gross Unrealized Loss | (66) |
Securities Available For Sale, Fair Value | 342,654 | 171,611
Agency Collateralized Mortgage Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 299,109 | 181,493
Securities Available For Sale, Gross Unrealized Gains | 3,221 | 2,236
Securities Available For Sale, Fair Value | 302,330 | 183,729
Non-Agency Collateralized Mortgage Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 3,866 | 31
Securities Available For Sale, Gross Unrealized Gains | 1 |
Securities Available For Sale, Gross Unrealized Loss | (25) | (1)
Securities Available For Sale, Fair Value | 3,842 | 30
States Of The U.S. And Political Subdivisions [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 33,359 | 38,509
Securities Available For Sale, Gross Unrealized Gains | 1,532 | 1,841
Securities Available For Sale, Fair Value | 34,891 | 40,350
Collateralized Debt Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 36,161 | 19,224
Securities Available For Sale, Gross Unrealized Gains | 418 |
Securities Available For Sale, Gross Unrealized Loss | (13,774) | (13,226)
Securities Available For Sale, Fair Value | 22,805 | 5,998
Other Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 23,853 | 6,863
Securities Available For Sale, Gross Unrealized Gains | 567 |
Securities Available For Sale, Gross Unrealized Loss | (1,398) | (1,666)
Securities Available For Sale, Fair Value | 23,022 | 5,197
Total Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 1,099,468 | 644,065
Securities Available For Sale, Gross Unrealized Gains | 11,820 | 9,572
Securities Available For Sale, Gross Unrealized Loss | (15,895) | (14,893)
Securities Available For Sale, Fair Value | 1,095,393 | 638,744
Equity Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Securities Available For Sale, Amortized Cost | 2,055 | 1,593
Securities Available For Sale, Gross Unrealized Gains | 369 | 257
Securities Available For Sale, Gross Unrealized Loss | (16) | (23)
Securities Available For Sale, Fair Value | $ 2,408 | $ 1,827

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- Definition For an unclassified balance sheet, this item represents investments in debt and equity securities which are categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 12 -Subparagraph b -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 FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15E -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 22 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15D -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 13 -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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 15C -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 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14 -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 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 16 -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 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6379932&loc=d3e22054-111558 + Details
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19 -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 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 + Details
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