Derivative Instruments (Change In Fair Value Of Derivative Instruments) (Details) - Non-hedging interest rate derivatives: - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Other Income | Customer Back-to-Back Swap Program, Derivative Asset
Derivatives, Fair Value [Line Items]
Change in Fair Value Non-Hedging Interest Rate Derivatives:	$ (16,556)	$ 13,565	$ (10,057)	$ 8,088
Other Income | Customer Back-to-Back Swap Program, Derivative Liability
Derivatives, Fair Value [Line Items]
Change in Fair Value Non-Hedging Interest Rate Derivatives:	16,556	(13,565)	10,057	(8,088)
Other Expense
Derivatives, Fair Value [Line Items]
Change in Fair Value Non-Hedging Interest Rate Derivatives:	$ (342)	$ 132	$ (258)	$ 65