Income Taxes (Reconciliation Of Unrecognized Tax Benefit Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes [Abstract]
Unrecognized tax benefits, Beginning balance	$ 2,491	$ 1,470	$ 877
Increases related to current year tax positions	2,649	1,021	593
Unrecognized tax benefits, Ending balance	$ 5,140	$ 2,491	$ 1,470