Accounts Receivable, Net (Schedule Of Accounts Receivable) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Straight-line rent receivable	$ 33,654,000	$ 30,891,000
Allowance for doubtful accounts	(2,989,000)	(3,852,000)
Total	42,538,000	38,738,000
Tenants [Member]
Accounts receivable, gross	10,759,000	9,379,000
Non-Tenants [Member]
Accounts receivable, gross	275,000	1,527,000
Canada Revenue Agency [Member]
Accounts receivable, gross	$ 839,000	$ 793,000