Accounts Receivable, Net (Schedule Of Accounts Receivable) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Insurance Settlements Receivable	$ 1,967,000	$ 0
Revenue Bond Receivable	22,164,000	0
Straight-line rent receivable	67,618,000	52,336,000
Allowance for doubtful accounts	(871,000)	(3,210,000)
Total	98,939,000	59,101,000
Tenants [Member]
Accounts receivable, gross	7,564,000	9,999,000
Non-Tenants [Member]
Accounts receivable, gross	497,000	353,000
Accounts Receivable [Member]
Allowance for doubtful accounts	$ (871,000)	$ (3,587,000)