Goodwill And Other Intangible Assets (Summary Of Core Deposit Intangibles) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Gross carrying amount	$ 21,190	$ 21,190
Accumulated amortization	(13,011)	(11,539)
Total	8,179	9,651
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	9,651	11,300
Amortization expense	(1,472)	(1,649)
Ending balance	$ 8,179	$ 9,651