Accounts Receivable, Net (Schedule Of Accounts Receivable) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Insurance Settlements Receivable	$ 4,495	$ 0
Revenue Bond Receivable	9,700	0
Straight-line rent receivable	61,784	52,336
Allowance for doubtful accounts	(792)	(3,587)
Total	81,217	59,101
Tenants [Member]
Carrying amounts of accounts receivable	5,908	9,999
Non-Tenants [Member]
Carrying amounts of accounts receivable	$ 122	$ 353