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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 | Sep. 30, 2022 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 | $ (117,103)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 1,011,888
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (130,541)
Available-for-sale Securities, Estimated fair value, 12 months or more | 595,663
Available-for-sale Securities, Gross unrealized losses, Total | (247,644)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,607,551
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 | (224)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 1,894
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 | (224)
State And Municipal 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 | (40)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 2,314
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 | (40)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 2,314
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 | (48,271)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 413,188
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (37,154)
Available-for-sale Securities, Estimated fair value, 12 months or more | 145,876
Available-for-sale Securities, Gross unrealized losses, Total | (85,425)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 559,064
Agency 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 | (61,691)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 451,197
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (81,651)
Available-for-sale Securities, Estimated fair value, 12 months or more | 347,054
Available-for-sale Securities, Gross unrealized losses, Total | (143,342)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 798,251
Agency Mortgage Backed Securities [Member] | U.S. Government Agency Securities [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,894
Agency 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 | (4,773)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 66,989
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 | (4,773)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 66,989
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 | (2,104)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 76,306
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (11,736)
Available-for-sale Securities, Estimated fair value, 12 months or more | 102,733
Available-for-sale Securities, Gross unrealized losses, Total | (13,840)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | $ 179,039

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