Goodwill And Intangible Assets (Summary Of Amortization Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	$ 307	$ 290	$ 461	$ 605
Beneficial Lease Amortization [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	21	28	65	87
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	$ 286	$ 262	$ 397	$ 518