Goodwill And Intangible Assets (Summary Of Amortization Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	$ 154	$ 134	$ 311	$ 329
Beneficial Lease Amortization [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	22	29	44	59
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	$ 132	$ 105	$ 267	$ 270