Investment In Real Estate Joint Ventures And Partnerships (Schedule Of Combined Condensed Statements Of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Equity Method Investments and Joint Ventures [Abstract]
Revenues, net	$ 148,875	$ 153,301	$ 165,365
Expenses:
Depreciation and amortization	37,771	40,235	45,701
Interest, net	17,053	22,657	28,787
Operating	26,797	27,365	28,929
Real estate taxes, net	18,525	18,159	18,929
General and administrative	839	916	934
Provision for income taxes	197	417	278
Impairment loss	7,487	1,526	1,887
Total	108,669	111,275	125,445
Operating income	$ 40,206	$ 42,026	$ 39,920