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Available-for-Sale and Held-to-Maturity Securities (Schedule of Gross Unrealized Losses and Estimated Fair Value by Length of Time) (Details) $ in Thousands | Dec. 31, 2024 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 | $ (1,866)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 198,982
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (168,781)
Available-for-sale Securities, Estimated fair value, 12 months or more | 1,258,245
Available-for-sale Securities, Gross unrealized losses, Total | (170,647)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 1,457,227
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 | (1)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 453
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (140)
Available-for-sale Securities, Estimated fair value, 12 months or more | 1,813
Available-for-sale Securities, Gross unrealized losses, Total | (141)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 2,266
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 | (1)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 2,349
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 | (1)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 2,349
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 | 0
Available-for-sale Securities, Estimated fair value, Less than 12 months | 0
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (43,832)
Available-for-sale Securities, Estimated fair value, 12 months or more | 463,992
Available-for-sale Securities, Gross unrealized losses, Total | (43,832)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 463,992
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 | (1,852)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 189,220
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (122,263)
Available-for-sale Securities, Estimated fair value, 12 months or more | 637,174
Available-for-sale Securities, Gross unrealized losses, Total | (124,115)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 826,394
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 | 0
Available-for-sale Securities, Estimated fair value, Less than 12 months | 0
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (1,474)
Available-for-sale Securities, Estimated fair value, 12 months or more | 67,956
Available-for-sale Securities, Gross unrealized losses, Total | (1,474)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 67,956
Mortgage-Backed Securities [Member] | Non Agency Mortgage 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 | 0
Available-for-sale Securities, Estimated fair value, Less than 12 months | 0
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (7)
Available-for-sale Securities, Estimated fair value, 12 months or more | 199
Available-for-sale Securities, Gross unrealized losses, Total | (7)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | 199
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 | (12)
Available-for-sale Securities, Estimated fair value, Less than 12 months | 6,960
Available-for-sale Securities, Gross unrealized losses, 12 months or more | (1,065)
Available-for-sale Securities, Estimated fair value, 12 months or more | 87,111
Available-for-sale Securities, Gross unrealized losses, Total | (1,077)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total | $ 94,071

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