Derivative Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Derivatives, Fair Value [Line Items]
Derivative Asset	[1]	$ 61,760	$ 62,648
Derivative Liabilities	[1]	(21,248)	(26,963)
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		40,376	35,544
Derivative Liabilities		0	0
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		21,384	27,104
Derivative Liabilities		(21,248)	(26,963)
Interest rate swaps | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		20,703	26,759
Derivative Liabilities		(20,703)	(26,759)
Interest Rate Floor [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		40,376	35,544
Derivative Liabilities		0	0
Interest rate caps | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		3	44
Derivative Liabilities		(3)	(44)
Credit risk participation agreements | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		76	35
Derivative Liabilities		(94)	(58)
Foreign exchange contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		459	179
Derivative Liabilities		(435)	(101)
Mortgage loan commitments | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		118	58
Derivative Liabilities		(11)	0
Mortgage loan forward sale contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		2	14
Derivative Liabilities		0	0
Forward TBA contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		23	15
Derivative Liabilities		$ (2)	$ (1)

[1] * The fair value of each class of derivative is shown in Note 11.