Basis Of Presentation And Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Accounting Policies [Abstract]
Reclassification between general and administrative expense and real estate operating expense	$ 2.0	$ 1.9	$ 6.1	$ 5.8
Misstatement of real estate operating expense				$ 3.2