Summary Of Significant Accounting Policies (Schedule Of Restricted Deposits And Mortgage Escrows) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Cash and Cash Equivalents [Abstract]
Restricted cash	$ 77,739,000	[1]	$ 869,000	[1]
Mortgage escrows	2,259,000		3,633,000
Total	79,998,000		4,502,000
Qualified escrow for like-kind exchange, payments	$ 77,400,000

[1] The increase between the periods presented is primarily attributable to $77.4 million placed in a qualified escrow account for the purpose of completing like-kind exchange transactions.