Noncontrolling Interests In Consolidated Joint Ventures (Narrative) (Details) - Participation Rights [Member]	3 Months Ended
Mar. 31, 2016 property
Noncontrolling Interest [Line Items]
Number of properties	3
Percentage of excess net cash flow	50.00%
Internal rate of return	10.00%
Future Developments [Member]
Noncontrolling Interest [Line Items]
Number of properties	1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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