Basis of Presentation Percentage of Ownership (Details)	Jun. 30, 2012 properties	Oct. 31, 2011 properties	Jun. 30, 2010 properties
Consolidated Properties [Member]
Number of Real Estate Properties	9		4
Consolidated Properties Subject to Sale [Member]
Number of Real Estate Properties	3	3	3
Limited Partner [Member] | Consolidated Properties [Member]
Noncontrolling Interest, Ownership Percentage by Parent	99.00%
Number of Real Estate Properties	5		4
Limited Liability Company [Member]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%
Limited Liability Company [Member] | Consolidated Properties [Member]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%
Number of Real Estate Properties	4
Segment, Discontinued Operations [Member] | Limited Partner [Member] | Consolidated Properties [Member]
Number of Real Estate Properties	1