Derivative Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024
Derivatives, Fair Value [Line Items]
Derivative Asset	[1]	$ 69,339	$ 62,648
Derivative Liabilities	[1]	(23,312)	(26,963)
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		45,910	35,544
Derivative Liabilities		0	0
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		23,429	27,104
Derivative Liabilities		(23,312)	(26,963)
Interest rate swaps | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		22,993	26,759
Derivative Liabilities		(22,993)	(26,759)
Interest Rate Floor [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		45,910	35,544
Derivative Liabilities		0	0
Interest rate caps | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		17	44
Derivative Liabilities		(17)	(44)
Credit risk participation agreements | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		48	35
Derivative Liabilities		(79)	(58)
Foreign exchange contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		263	179
Derivative Liabilities		(217)	(101)
Mortgage loan commitments | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		102	58
Derivative Liabilities		0	0
Mortgage loan forward sale contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		4	14
Derivative Liabilities		0	0
Forward TBA contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		2	15
Derivative Liabilities		$ (6)	$ (1)

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