Investments In Unconsolidated Joint Ventures (Summary Of Financial Position Of Unconsolidated Joint Ventures) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Investments In Unconsolidated Joint Ventures [Abstract]
Rental property, net	$ 736,331	$ 180,254
Loan receivable	45,050	42,276
Other assets	544,761	311,847
Total assets	1,326,142	534,377
Mortgages and loans payable	637,708	168,908
Other liabilities	81,305	12,141
Partners'/members' capital	607,129	353,328
Total liabilities and partners'/members' capital	$ 1,326,142	$ 534,377