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Investment Securities (Schedule Of Unrealized Loss On Securities) (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
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Schedule of Investments [Line Items] |  |
Securities Available-for-Sale, Less than 12 months, Fair value | $ 1,327,939 | $ 767,401
Securities Available-for-Sale, Less than 12 months, Unrealized losses | 98,010 | 6,422
Securities Available-for-Sale, 12 months or longer, Fair value | 383,147 | 73,431
Securities Available-for-Sale, 12 months or longer, Unrealized losses | 53,420 | 3,092
Securities Available-for-Sale, Fair value, Total | 1,711,086 | 840,832
Securities Available-for-Sale, Unrealized losses, Total | 151,430 | 9,514
US States and Political Subdivisions Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Securities Available-for-Sale, Less than 12 months, Fair value | 369,881 | 1,834
Securities Available-for-Sale, Less than 12 months, Unrealized losses | 30,375 | 24
Securities Available-for-Sale, Fair value, Total | 369,881 | 1,834
Securities Available-for-Sale, Unrealized losses, Total | 30,375 | 24
U.S. Government Sponsored Entities Asset-Backed Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Securities Available-for-Sale, Less than 12 months, Fair value | 548,839 | 333,653
Securities Available-for-Sale, Less than 12 months, Unrealized losses | 46,623 | 4,996
Securities Available-for-Sale, 12 months or longer, Fair value | 236,024 | 73,431
Securities Available-for-Sale, 12 months or longer, Unrealized losses | 45,949 | 3,092
Securities Available-for-Sale, Fair value, Total | 784,863 | 407,084
Securities Available-for-Sale, Unrealized losses, Total | 92,572 | 8,088
Collateralized Loan Obligations |  |
Schedule of Investments [Line Items] |  |
Securities Available-for-Sale, Less than 12 months, Fair value | 361,935 | 429,671
Securities Available-for-Sale, Less than 12 months, Unrealized losses | 19,046 | 1,395
Securities Available-for-Sale, 12 months or longer, Fair value | 147,123 |
Securities Available-for-Sale, 12 months or longer, Unrealized losses | 7,471 |
Securities Available-for-Sale, Fair value, Total | 509,058 | 429,671
Securities Available-for-Sale, Unrealized losses, Total | 26,517 | 1,395
US Government Corporations and Agencies Securities |  |
Schedule of Investments [Line Items] |  |
Securities Available-for-Sale, Less than 12 months, Fair value | 38,122 |
Securities Available-for-Sale, Less than 12 months, Unrealized losses | 878 |
Securities Available-for-Sale, Fair value, Total | 38,122 |
Securities Available-for-Sale, Unrealized losses, Total | 878 |
Corporate Debt Securities |  |
Schedule of Investments [Line Items] |  |
Securities Available-for-Sale, Less than 12 months, Fair value | 9,162 | 2,243
Securities Available-for-Sale, Less than 12 months, Unrealized losses | 1,088 | 7
Securities Available-for-Sale, Fair value, Total | 9,162 | 2,243
Securities Available-for-Sale, Unrealized losses, Total | $ 1,088 | $ 7

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456 + Details
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