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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, 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 | $ (4,837)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 854,081
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (6,240)
Available-for-sale Securities, Estimated fair value, 12 months or more | 497,398
Available-for-sale Securities, Gross unrealized losses, Total | (11,077)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,351,479
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | (9,079)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,164,381
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | (26,547)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 1,558,580
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total | (35,626)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total | 2,722,961
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 | (18)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 27,687
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (698)
Available-for-sale Securities, Estimated fair value, 12 months or more | 134,002
Available-for-sale Securities, Gross unrealized losses, Total | (716)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 161,689
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 | (4,320)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 776,404
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (3,887)
Available-for-sale Securities, Estimated fair value, 12 months or more | 217,160
Available-for-sale Securities, Gross unrealized losses, Total | (8,207)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 993,564
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | (9,079)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,164,381
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | (18,684)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 1,027,748
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total | (27,763)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total | 2,192,129
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 | (440)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 44,877
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (994)
Available-for-sale Securities, Estimated fair value, 12 months or more | 73,702
Available-for-sale Securities, Gross unrealized losses, Total | (1,434)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 118,579
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | (7,863)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 530,832
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Total | (7,863)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total | 530,832
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 | (39)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 4,023
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (661)
Available-for-sale Securities, Estimated fair value, 12 months or more | 72,534
Available-for-sale Securities, Gross unrealized losses, Total | (700)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 76,557
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, Less than 12 months | (20)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 1,090
Available-for-sale Securities, Gross unrealized losses, Total | (20)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | $ 1,090

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