Mortgage Loans On Real Estate (Summary Of Changes In Mortgage Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, Beginning of Year	$ 15,438		$ 91,662		$ 159,916
Additions to Existing Loans	0	[1]	699	[1]	734	[1]
Collections/Reductions of Principal	(12,028)		(22,085)		(68,988)
Reduction of Principal due to Business Combinations	0	[2]	(54,838)	[2]	0	[2]
Balance, End of Year	$ 3,410		$ 15,438		$ 91,662

[1] The caption above, “Additions to Existing Loans” also includes accrued interest.

[2] This caption relates to acquired unconsolidated real estate joint venture interest during the respective period.