Derivative Instruments (Schedule Of Notional Amount Of Loans Sold) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative Instruments [Abstract]
Notional amount of loans sold	$ 972,250	$ 442,335	$ 1,729,136	$ 805,192