Summary Of Significant Accounting Policies (Schedule Of Restricted Deposits And Mortgage Escrows) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015		Dec. 31, 2014
Accounting Policies [Abstract]
Restricted cash	$ 26,314,000	[1]	$ 77,739,000	[1]
Mortgage escrows	2,327,000		2,259,000
Total	28,641,000		79,998,000
Qualified escrow, use of funds	71,300,000
Qualified escrow for like-kind exchange, proceeds	$ 19,800,000

[1] The decrease between the periods presented is primarily attributable to the use of funds from a qualified escrow account of $71.3 million, offset by $19.8 million of funds placed in a qualified escrow account for the purpose of completing like-kind exchange transactions.