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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 | Dec. 31, 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 | $ (8,321)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 913,040
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (6,472)
Available-for-sale Securities, Estimated fair value, 12 months or more | 711,129
Available-for-sale Securities, Gross unrealized losses, Total | (14,793)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,624,169
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | (31,400)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total | (34,300)
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 | (3,056)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 349,095
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (5,149)
Available-for-sale Securities, Estimated fair value, 12 months or more | 596,161
Available-for-sale Securities, Gross unrealized losses, Total | (8,205)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 945,256
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | (2,915)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 346,069
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | (31,381)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 1,980,673
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total | (34,296)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total | 2,326,742
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 | (4,571)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 458,861
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (1,280)
Available-for-sale Securities, Estimated fair value, 12 months or more | 112,001
Available-for-sale Securities, Gross unrealized losses, Total | (5,851)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 570,862
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 | (694)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 105,084
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (20)
Available-for-sale Securities, Estimated fair value, 12 months or more | 2,001
Available-for-sale Securities, Gross unrealized losses, Total | (714)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 107,085
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 | (23)
Available-for-sale Securities, Estimated fair value, 12 months or more | 966
Available-for-sale Securities, Gross unrealized losses, Total | (23)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | $ 966

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