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, 2025 USD ($)
Schedule Of Available For Sale And Held To Maturity Securities [Line Items]
Available-for-sale Securities, Gross unrealized losses, Less than 12 months	$ (605)
Available-for-sale Securities, Estimated fair value, Less than 12 months	77,967
Available-for-sale Securities, Gross unrealized losses, 12 months or more	(131,460)
Available-for-sale Securities, Estimated fair value, 12 months or more	1,128,556
Available-for-sale Securities, Gross unrealized losses, Total	(132,065)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	1,206,523
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	0
Available-for-sale Securities, Estimated fair value, Less than 12 months	0
Available-for-sale Securities, Gross unrealized losses, 12 months or more	(92)
Available-for-sale Securities, Estimated fair value, 12 months or more	1,870
Available-for-sale Securities, Gross unrealized losses, Total	(92)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	1,870
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	(30,591)
Available-for-sale Securities, Estimated fair value, 12 months or more	413,966
Available-for-sale Securities, Gross unrealized losses, Total	(30,591)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	413,966
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	(530)
Available-for-sale Securities, Estimated fair value, Less than 12 months	53,565
Available-for-sale Securities, Gross unrealized losses, 12 months or more	(99,867)
Available-for-sale Securities, Estimated fair value, 12 months or more	617,052
Available-for-sale Securities, Gross unrealized losses, Total	(100,397)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	670,617
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	(394)
Available-for-sale Securities, Estimated fair value, 12 months or more	41,656
Available-for-sale Securities, Gross unrealized losses, Total	(394)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	41,656
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	168
Available-for-sale Securities, Gross unrealized losses, Total	(7)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	168
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	(75)
Available-for-sale Securities, Estimated fair value, Less than 12 months	24,402
Available-for-sale Securities, Gross unrealized losses, 12 months or more	(509)
Available-for-sale Securities, Estimated fair value, 12 months or more	53,844
Available-for-sale Securities, Gross unrealized losses, Total	(584)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	$ 78,246

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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