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Available-for-Sale and Held-to-Maturity Securities (Schedule Of Gross Unrealized Losses And The Estimated Fair Value By Length Of Time In A Loss Position) (Details) $ in Thousands | Mar. 31, 2023 USD ($)
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Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | $ (8,123)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 238,363
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (188,738)
Available-for-sale Securities, Estimated fair value, 12 months or more | 1,342,346
Available-for-sale Securities, Gross unrealized losses, Total | (196,861)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,580,709
U.S. Government Agency Securities [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | (175)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 1,752
Available-for-sale Securities, Gross unrealized losses, 12 months or more | 0
Available-for-sale Securities, Estimated fair value, 12 months or more | 0
Available-for-sale Securities, Gross unrealized losses, Total | (175)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,752
Corporate Fixed Income Securities [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | (2,614)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 58,582
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (69,768)
Available-for-sale Securities, Estimated fair value, 12 months or more | 489,235
Available-for-sale Securities, Gross unrealized losses, Total | (72,382)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 547,817
Mortgage-Backed Securities [Member] | Agency Securities [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | (3,990)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 104,347
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (111,940)
Available-for-sale Securities, Estimated fair value, 12 months or more | 685,830
Available-for-sale Securities, Gross unrealized losses, Total | (115,930)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 790,177
Mortgage-Backed Securities [Member] | Commercial [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | 0
Available-for-sale Securities, Estimated fair value, Less than 12 months | 0
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (4,476)
Available-for-sale Securities, Estimated fair value, 12 months or more | 66,691
Available-for-sale Securities, Gross unrealized losses, Total | (4,476)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 66,691
Mortgage-Backed Securities [Member] | Non Agency Mortgage Backed Securities [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | (30)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 392
Available-for-sale Securities, Gross unrealized losses, 12 months or more | 0
Available-for-sale Securities, Estimated fair value, 12 months or more | 0
Available-for-sale Securities, Gross unrealized losses, Total | (30)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 392
Asset-Backed Securities [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | (1,314)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 73,290
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (2,554)
Available-for-sale Securities, Estimated fair value, 12 months or more | 100,590
Available-for-sale Securities, Gross unrealized losses, Total | (3,868)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | $ 173,880

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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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