Derivative Instruments (Schedule Of Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Thousands		Mar. 31, 2026	Dec. 31, 2025
Derivatives, Fair Value [Line Items]
Derivative Asset	[1]	$ 58,399	$ 51,421
Derivative Liabilities	[1]	(15,726)	(18,795)
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		42,788	32,524
Derivative Liabilities		(318)	0
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		15,611	18,897
Derivative Liabilities		(15,408)	(18,795)
Interest Rate Floor [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		42,788	32,524
Derivative Liabilities		0	0
Interest rate swaps | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		0	0
Derivative Liabilities		318	0
Interest rate swaps | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		15,023	18,294
Derivative Liabilities		(15,023)	(18,294)
Interest rate caps | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		7	2
Derivative Liabilities		(5)	(2)
Credit risk participation agreements | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		75	56
Derivative Liabilities		(58)	(77)
Foreign exchange contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		371	396
Derivative Liabilities		(317)	(401)
Mortgage loan commitments | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		108	133
Derivative Liabilities		(2)	0
Mortgage loan forward sale contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		6	15
Derivative Liabilities		0	0
Forward TBA contracts | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset		21	1
Derivative Liabilities		$ (3)	$ (21)

[1] * The fair value of each class of derivative is shown in Note 12.