Revenues (Schedule Of Rent Revenues) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues [Abstract]
Base rents	$ 107,630,000	$ 108,998,000	$ 114,655,000
Percentage rent	725,000	896,000	654,000
Straight-line rents	1,142,000	864,000	38,000
Amortization of intangible lease liabilities, net	4,361,000	2,518,000	2,751,000
Total rents	$ 113,858,000	$ 113,276,000	$ 118,098,000