Goodwill And Intangible Assets (Summary Of Amortization Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	$ 478	$ 390	$ 939	$ 825
Beneficial Lease [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	390	22	755	383
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization	$ 88	$ 368	$ 184	$ 442