Income Taxes (Summary Of Reconciliation of Change In Federal And State Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Balance at the beginning of the year	$ 1,798	$ 1,777	$ 1,157
Increases (decreases) for prior year tax positions	0	21	620
Increases (decreases) for current year tax positions	0	0	0
Increases (decreases) related to settlements	0	0	0
Decreases related to statute lapse	0	0	0
Balance at the end of the year	$ 1,798	$ 1,798	$ 1,777