Revenues (Schedule Of Rental Revenues) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues [Abstract]
Base rents	$ 26,878,000	$ 27,187,000	$ 80,901,000	$ 81,398,000
Percentage rent	181,000	259,000	396,000	705,000
Straight-line rents	332,000	291,000	824,000	787,000
Amortization of intangible lease liabilities, net	729,000	625,000	3,611,000	1,900,000
Total rents	$ 28,120,000	$ 28,362,000	$ 85,732,000	$ 84,790,000