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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 | Jun. 30, 2020 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 | $ (22,251)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 1,110,236
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (16,156)
Available-for-sale Securities, Estimated fair value, 12 months or more | 506,686
Available-for-sale Securities, Gross unrealized losses, Total | (38,407)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,616,922
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 | (101)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 5,933
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (89)
Available-for-sale Securities, Estimated fair value, 12 months or more | 12,619
Available-for-sale Securities, Gross unrealized losses, Total | (190)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 18,552
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 | (91)
Available-for-sale Securities, Estimated fair value, 12 months or more | 788
Available-for-sale Securities, Gross unrealized losses, Total | (91)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 788
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 | (40)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 27,658
Available-for-sale Securities, Gross unrealized losses, Total | (40)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 27,658
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 | (22,110)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 1,076,645
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (15,976)
Available-for-sale Securities, Estimated fair value, 12 months or more | 493,279
Available-for-sale Securities, Gross unrealized losses, Total | (38,086)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | $ 1,569,924

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