Residential Mortgage Servicing Rights (Schedule Of Information Relates To Serviced Loan Portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Transfers and Servicing [Abstract]
Balance of loans serviced for others	$ 12,997,911	$ 12,755,671
MSR as a percentage of serviced loans	1.51%	0.97%