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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, 2019 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 | $ (10,367)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 1,267,950
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (5,770)
Available-for-sale Securities, Estimated fair value, 12 months or more | 484,216
Available-for-sale Securities, Gross unrealized losses, Total | (16,137)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,752,166
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | (29,200)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total | (33,100)
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, 12 months or more | (3)
Available-for-sale Securities, Estimated fair value, 12 months or more | 1,746
Available-for-sale Securities, Gross unrealized losses, Total | (3)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,746
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 | (19)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 44,242
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (86)
Available-for-sale Securities, Estimated fair value, 12 months or more | 57,443
Available-for-sale Securities, Gross unrealized losses, Total | (105)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 101,685
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 | (5,241)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 702,155
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (3,529)
Available-for-sale Securities, Estimated fair value, 12 months or more | 239,386
Available-for-sale Securities, Gross unrealized losses, Total | (8,770)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 941,541
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | (3,899)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 572,590
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | (29,179)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 1,515,354
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total | (33,078)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total | 2,087,944
Mortgage Backed Securities [Member] | Agency [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, Less than 12 months | (4,945)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 485,290
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (2,106)
Available-for-sale Securities, Estimated fair value, 12 months or more | 182,398
Available-for-sale Securities, Gross unrealized losses, Total | (7,051)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 667,688
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 | (162)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 36,263
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (19)
Available-for-sale Securities, Estimated fair value, 12 months or more | 2,216
Available-for-sale Securities, Gross unrealized losses, Total | (181)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 38,479
Mortgage Backed Securities [Member] | Non-Agency [Member] |
Schedule Of Available For Sale And Held To Maturity Securities [Line Items] |
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (27)
Available-for-sale Securities, Estimated fair value, 12 months or more | 1,027
Available-for-sale Securities, Gross unrealized losses, Total | (27)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | $ 1,027

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